# SDR NACA202307250003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2023
- Submitted: July 26, 2023
- Operation: Air carrier
- Aircraft: [N321CM](https://openairdocs.org/aircraft/N321CM), registered now
- Make and model: Boeing 767323
- Aircraft serial: 29431
- Aircraft time: 86,989 hours, 14,823 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA202307250003

## Discrepancy

APU FAILED TO START TWICE AFTER LANDING. PERFORMED FIM 49-61-04AMM APU BITE TEST 49-11 FT 958, RESET FAULTS EGT#2 CIRCUIT CODE #12

---
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.