# SDR IPXA2021121777022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 16, 2021
- Submitted: December 22, 2021
- Operation: Air carrier
- Aircraft: [N342UP](https://openairdocs.org/aircraft/N342UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 37865
- Aircraft time: 25,795 hours, 9,599 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Apu
- Condition: Faulted
- Location: Empennage
- Stage of operation: CR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021121777022

## Discrepancy

INSPECTION TYPE:N/ASUPPLEMENTAL SDR**DIVERSION**EMERG DECLARED**A/C LANDED W/OUT INCIDENT**APU FAULT AT FL 390 DIVERTED TO STL. DEFERRED PER MEL 49-11-1A ASSIGNED M766577REPLACED APU COOLING FAN AMM 49-51-03-401 AND APU OIL COOLER AMM 49-27-09-404-011. OPS & LEAK CKS GOOD. THIS CLEARS M766577, PLACARD REMOVED. EFF SOURCE REF: IPC 49-51-00-01-046K AND 49-27-00-01-265.

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