AD 78-14-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Gulfstream Aerospace Corporation | G-1159 | Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes |
Unsafe Condition
Cabin window pane failure and possible engine damage.
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Required Actions
Inspect and replace all outer cabin window panes in accordance with GAC Customer Bulletin 270A. Restrict airplane operations to a maximum cabin pressure differential of 8.0 psi and install a placard on the instrument panel. Incorporate G-1159 Airplane Flight Manual Interim Revision No. 19-5. Repeat inspections prior to each flight until all affected windows are replaced with full thickness panes or those with less than 600 landings.
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Compliance Time
Prior to the accumulation of 600 landings on any window, or within the next 10 landings after the effective date of this AD, whichever occurs later.
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Affected Aircraft
Gulfstream American Corporation (GAC) Model G-1159, serial numbers 1 through 229, and 775.
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Federal Register Abstract
Cabin Window Panes
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_78-14-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-14-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION...Show more Subject: Cabin Window Panes Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/09/1978 Make: Gulfstream Aerospace Corporation Model: G-1159 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-14-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3313 AD NUMBER: 78-14-06 SUBJECT HEADING: Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes ACTION: SUMMARY: DATES: Effective October 9, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-14-06 GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION: Amendment 39-3261 as amended by amendment 39-3313. Applies to GAC Model G-1159, serial numbers 1 through 229, and 775, airplanes certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent cabin window pane failure and possible engine damage, accomplish the following: 1. Prior to the accumulation of 600 landings on any window, or within the next 10 landings after the effective date of this AD, whichever occurs later, accomplish the following: A. Inspect and replace all outer cabin window panes in accordance with GAC Customer Bulletin 270A, dated September 18, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. The visual checks for cracks required by Customer Bulletin 270A may be performed by the pilot. The remaining provisions of this AD apply to aircraft with any reduced thickness outer cabin window pane installed with 600 or more landings. B. Restrict airplane operations to a maximum cabin pressure differential of 8.0 psi and install one of the following placards on the instrument panel in full view of the pilot, or in an equivalent location approved by the FAA, utilizing a minimum of 1/8 inch high letters with the wording: 1. "DO NOT EXCEED A MAXIMUM CABIN PRESSURE DIFFERENTIAL OF 8.0 PSI. THE TABLE CONTAINED IN GAAC LETTER DATED JUNE 20, 1978, MAY BE UTILIZED. COMPLY WITH THE INSPECTION REQUIREMENTS OF AD 78-14-06 PRIOR TO EACH FLIGHT." 2. "DO NOT EXCEED A MAXIMUM CABIN PRESSURE DIFFERENTIAL OF 8.0 PSI." C. Incorporate G-1159 Airplane Flight Manual Interim Revision No. 19-5 dated September 21, 1978, in the Basic Airplane Flight Manual dated April 1, 1969. 2. Repeat the inspection and replacement requirements of paragraph (1)(A) of this AD prior to each flight. 3. The inspection requirements and restrictions on operation may be discontinued, and the AFM Interim Revision removed once all affected outer cabin window panes are either replaced with full thickness outer panes identified in accordance with GAC Customer Bulletin 270A dated September 18, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region; or replaced with windows with less than 600 landings. 4. For the purpose of complying with this AD, subject to acceptance by the assigned FAA maintenance inspector, the number of landings may be determined by dividing each airplane's hours' time in service by the operator's fleet average time from take-off to landing for the airplane type. Alternately, if an operator has recorded pressure cycles, the number of pressure cycles may be used in lieu of landings. Amendment 39-3261 became effective July 20, 1978. This amendment 39-3313 becomes effective October 9, 1978. FOOTER:
Document Text
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AD Final Rules - DRS_78-14-06.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 78-14-06 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION...Show more Subject: Cabin Window Panes Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 10/09/1978 Make: Gulfstream Aerospace Corporation Model: G-1159 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 78-14-06 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-3313 AD NUMBER: 78-14-06 SUBJECT HEADING: Airworthiness Directives; GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION Model G-1159 Airplanes ACTION: SUMMARY: DATES: Effective October 9, 1978. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 78-14-06 GULFSTREAM AMERICAN CORPORATION (GAC) (FORMERLY GRUMMAN AMERICAN AVIATION CORPORATION: Amendment 39-3261 as amended by amendment 39-3313. Applies to GAC Model G-1159, serial numbers 1 through 229, and 775, airplanes certificated in all categories. Compliance is required as indicated, unless already accomplished. To prevent cabin window pane failure and possible engine damage, accomplish the following: 1. Prior to the accumulation of 600 landings on any window, or within the next 10 landings after the effective date of this AD, whichever occurs later, accomplish the following: A. Inspect and replace all outer cabin window panes in accordance with GAC Customer Bulletin 270A, dated September 18, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region. The visual checks for cracks required by Customer Bulletin 270A may be performed by the pilot. The remaining provisions of this AD apply to aircraft with any reduced thickness outer cabin window pane installed with 600 or more landings. B. Restrict airplane operations to a maximum cabin pressure differential of 8.0 psi and install one of the following placards on the instrument panel in full view of the pilot, or in an equivalent location approved by the FAA, utilizing a minimum of 1/8 inch high letters with the wording: 1. "DO NOT EXCEED A MAXIMUM CABIN PRESSURE DIFFERENTIAL OF 8.0 PSI. THE TABLE CONTAINED IN GAAC LETTER DATED JUNE 20, 1978, MAY BE UTILIZED. COMPLY WITH THE INSPECTION REQUIREMENTS OF AD 78-14-06 PRIOR TO EACH FLIGHT." 2. "DO NOT EXCEED A MAXIMUM CABIN PRESSURE DIFFERENTIAL OF 8.0 PSI." C. Incorporate G-1159 Airplane Flight Manual Interim Revision No. 19-5 dated September 21, 1978, in the Basic Airplane Flight Manual dated April 1, 1969. 2. Repeat the inspection and replacement requirements of paragraph (1)(A) of this AD prior to each flight. 3. The inspection requirements and restrictions on operation may be discontinued, and the AFM Interim Revision removed once all affected outer cabin window panes are either replaced with full thickness outer panes identified in accordance with GAC Customer Bulletin 270A dated September 18, 1978, or later revision approved by the Chief, Engineering and Manufacturing Branch, Federal Aviation Administration, Southern Region; or replaced with windows with less than 600 landings. 4. For the purpose of complying with this AD, subject to acceptance by the assigned FAA maintenance inspector, the number of landings may be determined by dividing each airplane's hours' time in service by the operator's fleet average time from take-off to landing for the airplane type. Alternately, if an operator has recorded pressure cycles, the number of pressure cycles may be used in lieu of landings. Amendment 39-3261 became effective July 20, 1978. This amendment 39-3313 becomes effective October 9, 1978. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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