AD 68-25-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-200 Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-200C Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-300 Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-400 Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-500 Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-600 Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-700 Series | BOEING Model B737 Series Airplanes |
| aircraft | The Boeing Company | 737-800 Series | BOEING Model B737 Series Airplanes |
Unsafe Condition
Loose mounting screws on M360 printed circuit card and insecure NAS 1068 nutplates could lead to circuit card failure or electrical system malfunction.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and tighten mounting screws holding M360 printed circuit card. Replace NAS 1068 nutplates with self-locking nuts NAS 679A08W. Modify interphone power circuits to separate power sources and provide dual power sources per Boeing Service Bulletin 24-1009, Rev 1 or equivalent.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Compliance required as indicated: (1) prior to next flight; (2) if screws are not tight, replace nutplates immediately; (3) within next 50 hours' time in service; (4) within next 400 hours' time in service after effective date.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Boeing Model B737 Series Airplanes including 737-100, 737-200, 737-200C, 737-300, 737-400, 737-500 Series and others as listed.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.