AD 2002-26-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | DC-9-11 | Airworthiness Directives; McDonnell Douglas Model DC-9-11, -12, -13, -14, -15, and -15F Airplanes; Model DC-9-21 Airplanes; Model DC-9-31, -32, -32 (VC-9C), -32F, -32F (C-9A, C-9B), -33F, -34, and -34F Airplanes; Model DC-9-41 Airplanes; Model DC-9-51 Airplanes; Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; and Model MD-88 Airplanes |
Unsafe Condition
Reports indicate that the alternating current (AC) cross-tie relay shorted out internally, causing severe smoke and burn damage to the relay, aircraft wiring, and adjacent panels.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace certain power relays. Subsequently, clean, inspect, repair, and test the replaced power relays repetitively.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
McDonnell Douglas Model DC-9-11, -12, -13, -14, -15, and -15F Airplanes; Model DC-9-21 Airplanes; Model DC-9-31, -32, -32 (VC-9C), -32F, -32F (C-9A, C-9B), -33F, -34, and -34F Airplanes; Model DC-9-41 Airplanes; Model DC-9-51 Airplanes; Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), and DC-9-87 (MD-87) Airplanes; and Model MD-88 Airplanes.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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