48-42-02: Fire Prevention Modification
FAA order 48-42-02 is an airworthiness directive. The FAA's subject line: Fire Prevention Modification. It names Lockheed 18: about 13 aircraft on the U.S. register today, though an order usually covers particular versions or serial numbers rather than every one. System: other and general.
What it applies to as the FAA lists it
- Kind of product
- Aircraft
- Makes
- Lockheed Aircraft Corporation
- Models
- 18
- On this site
- Lockheed 18 13 registered
Dates and paperwork
- Docket
- Unknown
- Status
- Current
- The FAA's document
- Read the order on the FAA's site
The order itself the regulatory text, as published
Show the full text (2,211 characters)
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 andExtinguishing 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.
Source: FAA Dynamic Regulatory System, airworthiness directives. The FAA's document is the authority; the register counts are this site's, from the FAA register of November 6, 2026. Connections as data: /graph/directive/48-42-02.json · aircraft systems.