AD 75-04-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 737-100 Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-200 Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-200C Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-300 Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-400 Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-500 Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-600 Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-700 Series | BOEING Model 737 Airplanes |
| aircraft | The Boeing Company | 737-800 Series | BOEING Model 737 Airplanes |
Unsafe Condition
Failure of the 'B' hydraulic system electrical wiring and other systems wiring which use a common wire bundle.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace the 'B' hydraulic system electrical pump spliced wires in accordance with Boeing Service Bulletin 29-1004, Revision 1, dated April 2, 1969, or later FAA approved revisions, or in an equivalent manner approved by the Chief, Engineering and Manufacturing Branch, FAA Northwest Region.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
within the next 1,000 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
Boeing Model 737 airplanes listed under Group I in Boeing Service Bulletin 29-1004, Revision 1, dated April 2, 1969, or later FAA approved revisions.
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.