# SDR UIEA2021072601625

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2021
- Submitted: July 27, 2021
- Operation: Air carrier
- Aircraft: [N1181A](https://openairdocs.org/aircraft/N1181A), registered now
- Make and model: Boeing 767-3Y0
- Registry model: [Boeing 767-3Y0](https://openairdocs.org/model/boeing-767-3y0) (OpenAirDocs)
- Aircraft serial: 26206
- Aircraft time: 22,867 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Pneumatic System
- Condition: Unknown
- Location: Apu
- Stage of operation: NR
- 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/UIEA2021072601625

## Discrepancy

APU PNEUMATICS INOP.  T/S IAW FIM 49-11 FAULT TREE.  NO FAULTS FOUND.  PERFORMED VISUAL INSPECTION ON APU BLEED AIR DUCT IAW AMM 36-11-02.   NO DEFECTS FOUND. PERFORMED ENGINE RUN IAW AMM 72-00-00.

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