AD 67-05-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | DC-9-11 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-12 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-13 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-14 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-15 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-15F | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-21 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-31 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-32 | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
| aircraft | The Boeing Company | DC-9-32 (VC-9C) | Airworthiness Directives; DOUGLAS DC-9 Airplanes |
Unsafe Condition
Cracks in engine mount fittings P/N 9958161-39(LH) and P/N 9958161-40(RH) due to cyclic stress.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect fittings P/N 9958161-39(LH) and -40(RH) for cracks using fluorescent penetrant, magnetic particle inspection, or approved procedure. Replace cracked fittings with new parts of same P/N or redesigned P/N 5923937-501(LH)/-502(RH) before further flight. Repeat inspections every 100 cycles after initial compliance.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Prior to completing next 100 cycles (for airplanes with 4,000+ cycles on AD effective date) or prior to completing 4,100 total cycles (for those with less than 4,000 cycles), then every successive 100 cycles thereafter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Douglas DC-9 Airplanes with serial numbers 45696-45707, 45711-45732, 45735-45749, 45770-45773, 45785, 45794-45799, 45825, 45829, 45841-45844, 47048, and 47049, equipped with fittings P/N 9958161-39(LH) or -40(RH).
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
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