AD 48-42-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Lockheed Aircraft Corporation | 18 | LOCKHEED Model 18 Aircraft |
Unsafe Condition
Failure of fire detection and extinguishing systems, hydraulic reservoir oil tank guards, windshield alcohol tank guards, baggage compartment sealing, power plant lines and fittings, emergency oil shut-off valves, cabin heater ducts, firewall revisions, and anti-icing system provisions could lead to uncontrolled fires and loss of aircraft control.
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Required Actions
Install fire detection and extinguishing systems, hydraulic reservoir oil tank guards, windshield alcohol tank guards, seal baggage compartments, replace power plant lines and fittings, install emergency oil shut-off valves, revise cabin heater ducts, firewall, and anti-icing systems per specified service bulletins. Inspect cabin interior fabrics and finishes for compliance with CAR 4b.
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Compliance Time
not later than the date established in accordance with the provisions of special Civil Regulation Serial Number SR-329, or any subsequent regulation affecting this compliance date
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Affected Aircraft
Lockheed Aircraft Corporation Model 18 aircraft operated in scheduled and non-scheduled air carrier passenger service.
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Federal Register Abstract
Fire Prevention Modification
Applicability Source Text
Show captured applicability text from the source AD
AD Final Rules - DRS_48-42-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-42-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 18 Aircraft Subject: Fire Prevention Modification Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 18 Product Type: Aircraft Product Subtype: Large Airplane Affected AD: Superseded AD: Affected By: Superseded By: Service/Office: Office of Primary Responsibility: CFR Part Reference: Part 39 Comments: AIRWORTHINESS DIRECTIVES FINAL RULES: 48-42-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-42-02 SUBJECT HEADING: LOCKHEED Model 18 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-42-02 LOCKHEED: Applies to All Model 18 Aircraft Operated in Scheduled and Non-scheduled Air Carrier Passenger Service. To be accomplished not later than the date established in accordance with the provisions of special Civil Regulation Serial Number SR-329, or any subsequent regulation affecting this compliance date. All Lockheed Model 18 aircraft mentioned above must be modified to comply with the fire prevention requirements as outlined in CAR Amendments 41-3, 42-2, and 61-2. Compliance with these requirements may be accomplished by completing the modifications outlined in the following listed Lockheed Service Bulletins. Other rework shown to be equivalent to that covered by the Service Bulletins will also be acceptable. Item CAR 4 No. Lockheed Service Bulletin Title 1. .3824 18/SB-122 Revision to Waste Paper Container. 18/SB-123 Installation of No Smoking Placard. 2. .38250 18/SB-124 Installation of Fire Detection and Extinguishing System. .38251 18/SB-125 Installation of Hydraulic Reservoir Oil Tank Guard. 18/SB-126 Installation of Windshield Alcohol Tank Guard. 18/SB-127 Sealing of Baggage Compartment. 3. .43 18/SB-135 Material Substitution-Propeller Feathering Reserve Oil Tank Support. 4. .4700 18/SB-130 Firewall Revision. 5. .49 .4900 18/SB-128 Replacement of Power Plant Lines and Fittings. .4901 18/SB-129 Installation of Emergency Oil Shut-Off Valves. .4902 18/SB-131 Revision to Cabin Heater Ducts. .4902 18/SB-133 Replacement of Firewall and Power Plant Lines & Fittings. 18/SB-136 Installation of Dual Fuel System Fire Resistant Plumbing Provisions for Selective Shut-Off -Propeller. 18/SB-141 Anti-Icing System (Airplanes having Standard Systems) Provisions for Selective Shut-Off - Propeller. 18/SB-141A Anti-Icing System (Airplanes with Tank & Pump in L.H. Nacelle). In addition to the above, inspect cabin interior fabrics and finishes to determine that these materials or any substitutes or replacements for the materials originally installed comply with the applicable sections of CAR 4b. Safety Regulation Release 259 outlines acceptable procedures for complying with these particular requirements. FOOTER:
Document Text
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AD Final Rules - DRS_48-42-02.html Copy URL Print/Save as PDF Document Versions Feedback Details AD Number: 48-42-02 Document Type: AD Final Rules Docket Number: Unknown Subject Heading: LOCKHEED Model 18 Aircraft Subject: Fire Prevention Modification Status: Current Citation: This information is not available. Citation Publish Date: Effective Date: Make: Lockheed Aircraft Corporation Model: 18 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: 48-42-02 CITATION: This information is not available. PAGE NUMBER: DOCKET NUMBER: Unknown AMENDMENT: AD NUMBER: 48-42-02 SUBJECT HEADING: LOCKHEED Model 18 Aircraft ACTION: SUMMARY: DATES: ADDRESSES: FOR FURTHER INFORMATION CONTACT: SUPPLEMENTARY INFORMATION: REGULATORY TEXT: 48-42-02 LOCKHEED: Applies to All Model 18 Aircraft Operated in Scheduled and Non-scheduled Air Carrier Passenger Service. To be accomplished not later than the date established in accordance with the provisions of special Civil Regulation Serial Number SR-329, or any subsequent regulation affecting this compliance date. All Lockheed Model 18 aircraft mentioned above must be modified to comply with the fire prevention requirements as outlined in CAR Amendments 41-3, 42-2, and 61-2. Compliance with these requirements may be accomplished by completing the modifications outlined in the following listed Lockheed Service Bulletins. Other rework shown to be equivalent to that covered by the Service Bulletins will also be acceptable. Item CAR 4 No. Lockheed Service Bulletin Title 1. .3824 18/SB-122 Revision to Waste Paper Container. 18/SB-123 Installation of No Smoking Placard. 2. .38250 18/SB-124 Installation of Fire Detection and Extinguishing System. .38251 18/SB-125 Installation of Hydraulic Reservoir Oil Tank Guard. 18/SB-126 Installation of Windshield Alcohol Tank Guard. 18/SB-127 Sealing of Baggage Compartment. 3. .43 18/SB-135 Material Substitution-Propeller Feathering Reserve Oil Tank Support. 4. .4700 18/SB-130 Firewall Revision. 5. .49 .4900 18/SB-128 Replacement of Power Plant Lines and Fittings. .4901 18/SB-129 Installation of Emergency Oil Shut-Off Valves. .4902 18/SB-131 Revision to Cabin Heater Ducts. .4902 18/SB-133 Replacement of Firewall and Power Plant Lines & Fittings. 18/SB-136 Installation of Dual Fuel System Fire Resistant Plumbing Provisions for Selective Shut-Off -Propeller. 18/SB-141 Anti-Icing System (Airplanes having Standard Systems) Provisions for Selective Shut-Off - Propeller. 18/SB-141A Anti-Icing System (Airplanes with Tank & Pump in L.H. Nacelle). In addition to the above, inspect cabin interior fabrics and finishes to determine that these materials or any substitutes or replacements for the materials originally installed comply with the applicable sections of CAR 4b. Safety Regulation Release 259 outlines acceptable procedures for complying with these particular requirements. FOOTER:
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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