AD 91-13-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | 747-100 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-100B SUD Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200B Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200C Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-200F Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-300 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400 Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400D Series | BOEING Model 747 Series Airplanes |
| aircraft | The Boeing Company | 747-400F Series | BOEING Model 747 Series Airplanes |
Unsafe Condition
Chafing of wire bundles, subsequent arcing and burn-through of adjacent oxygen lines, and a resulting potential fire hazard.
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Required Actions
Install protective sleeves on wire breakouts and oxygen lines in the upper deck left sidewall in accordance with Boeing Service Bulletin 747-35-2059, Revision 2, dated March 22, 1990. An alternative method of compliance or adjustment of the compliance time may be used when approved by the FAA.
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Compliance Time
Within 60 days after the effective date of this amendment
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Affected Aircraft
Model 747 series airplanes listed in Boeing Service Bulletin 747-35-2059, Revision 2, dated March 22, 1990.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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