# SDR ABXA202271680

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2022
- Submitted: July 19, 2022
- Operation: Air carrier
- Aircraft: [N750AX](https://openairdocs.org/aircraft/N750AX), registered now
- Make and model: Boeing 767
- Registry model: [Boeing 767](https://openairdocs.org/model/boeing-767) (OpenAirDocs)
- Aircraft serial: 22227
- Aircraft time: 90,727 hours, 41,229 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: None
- Condition: None
- Stage of operation: TX
- How discovered: V
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA202271680

## Discrepancy

APU INOP - AUTO-SHUTDOWN DURING ENG START. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. MAINTENANCE DEFERRED THE APU IAW MEL 49-11-1A. NO MAINTENANCE PROCEDURES APPLY. PLACARDS INSTALLED. MBCB 07/26/2022. AIRCRAFT RETURNED TO SERVICE

---
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.