# SDR UIEA2019122306135

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2019
- Submitted: December 23, 2019
- Operation: Air carrier
- Aircraft: [N1487A](https://openairdocs.org/aircraft/N1487A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 28865
- Aircraft time: 86,544 hours, 17,648 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Pneumatic System
- Condition: Malfunctioned
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019122306135

## Discrepancy

APU PNEUMATIC INOPERATIVE.   PERFORMED PACK CONTROLLER BITE IAW AMM 21-51-14, NO FAULTS FOUND. PERFORMED APU BITE IAW FIM 49-11 FT 987, NO FAULTS FOUND. MONITORED APU WITH PACKS ON FOR TWO HOURS, NO ISSUES. OPS CHECK GOOD IAW AMM 49-11-00.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.