AD 69-16-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Maryland Air Industries, Inc. | F-27 | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27A | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27B | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27F | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27G | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27J | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | F-27M | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227 | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227B | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227C | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227D | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
| aircraft | Maryland Air Industries, Inc. | FH-227E | Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes |
Unsafe Condition
Failure of the spring loading of the main landing gear door trolley mechanism and overtravel of the main landing gear doors during retraction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Modify the door trolley locking lever and main landing gear doors as per specified service bulletins or equivalent approved modifications within 100 hours' time in service after the effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 100 hours' time in service after the effective date of this AD
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Fairchild Model F-27 (Serial Nos. 1 through 128) and FH-227 (Serial Nos. 501 through 518 and 520 through 578) airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Federal Register Abstract
Landing Gear Door Trolley Lever
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_69-16-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-16-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes Subject: Landing Gear Door Trolley Lever Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/01/1969 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M | FH-227 | FH-227B | FH-227C | FH-227D | FH-227E 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: 69-16-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-814 AD NUMBER: 69-16-04 SUBJECT HEADING: Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes ACTION: SUMMARY: DATES: Effective September 1, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-16-04 FAIRCHILD: Amdt. 39-814. Applies to F-27 airplanes Serial Nos. 1 through 128 and FH-227 airplanes Serial Nos. 501 through 518 and 520 through 578, certificated in all categories. To prevent hazards associated with the spring loading of the main landing gear door trolley mechanism, and to prevent overtravel of the main landing gear doors during retraction, accomplish the following: (a) Within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, modify the door trolley locking lever as described in Fairchild Hiller F-27 Service Bulletin 32-73 dated February 25, 1969, for F-27 aircraft and Fairchild Hiller FH-227 Service Bulletin 32-15 dated February 25, 1969, for FH-227 aircraft or equivalent modifications approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (b) Within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, modify the main landing gear doors as described in Fairchild Hiller F-27 Service Bulletin 32-74 dated April 10, 1969, for F-27 aircraft and Fairchild Hiller FH-227 Service Bulletin 32-17 dated April 10, 1969, for FH-227 aircraft or equivalent modifications approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (c) The compliance times may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, upon receipt of substantiating data submitted through an FAA maintenance inspector. This amendment is effective September 1, 1969. FOOTER:
Document Text
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AD Final Rules - DRS_69-16-04.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 69-16-04 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes Subject: Landing Gear Door Trolley Lever Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: 09/01/1969 Make: Maryland Air Industries, Inc. Model: F-27 | F-27A | F-27B | F-27F | F-27G | F-27J | F-27M | FH-227 | FH-227B | FH-227C | FH-227D | FH-227E 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: 69-16-04 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: 39-814 AD NUMBER: 69-16-04 SUBJECT HEADING: Airworthiness Directives; Fairchild Model F-27 and FH-227 Airplanes ACTION: SUMMARY: DATES: Effective September 1, 1969. ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 69-16-04 FAIRCHILD: Amdt. 39-814. Applies to F-27 airplanes Serial Nos. 1 through 128 and FH-227 airplanes Serial Nos. 501 through 518 and 520 through 578, certificated in all categories. To prevent hazards associated with the spring loading of the main landing gear door trolley mechanism, and to prevent overtravel of the main landing gear doors during retraction, accomplish the following: (a) Within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, modify the door trolley locking lever as described in Fairchild Hiller F-27 Service Bulletin 32-73 dated February 25, 1969, for F-27 aircraft and Fairchild Hiller FH-227 Service Bulletin 32-15 dated February 25, 1969, for FH-227 aircraft or equivalent modifications approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (b) Within the next 100 hours' time in service after the effective date of this AD, unless already accomplished, modify the main landing gear doors as described in Fairchild Hiller F-27 Service Bulletin 32-74 dated April 10, 1969, for F-27 aircraft and Fairchild Hiller FH-227 Service Bulletin 32-17 dated April 10, 1969, for FH-227 aircraft or equivalent modifications approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region. (c) The compliance times may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region, upon receipt of substantiating data submitted through an FAA maintenance inspector. This amendment is effective September 1, 1969. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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