# SDR AALA202112036883

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2021
- Submitted: December 3, 2021
- Operation: Air carrier
- Aircraft: [N741UW](https://openairdocs.org/aircraft/N741UW), registered now
- Make and model: Airbus A319-112
- Registry model: [Airbus A319-112](https://openairdocs.org/model/airbus-industrie-a319-112) (OpenAirDocs)
- Aircraft serial: 1269
- Aircraft time: 55,986 hours, 34,126 cycles
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Control Box
- Part number: 3888394221205
- Part serial: 03808
- Condition: Faulty
- Location: Zone 100 - Fuse
- Part time: 24,892 hours, 16,601 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202112036883

## Discrepancy

AIRCRAFT WAS GROUNDED: LEFT GENERATOR # 1 FAILED IN FLIGHT, APU WOULD NOT START. EMERGENCY DECLARED, FLIGHT DIVERTED TO CLT LANDING SAFELY. REPLACED IDG (AALA202112031598), GENERATOR CONTROL UNIT (AALA202112030962), AND CONTACTOR 9XU1 (AALA202112038484) PER AMM 24-21-51, AMM 24-22-34 AND AMM 24-22-55. REPLACED APU ELECTRONIC CONTROL BOX (AALA202112036883) PER AMM 49-61-34.

---
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.