# SDR CALA2013081390400

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 12, 2013
- Submitted: August 14, 2013
- Operation: Air carrier
- Aircraft: [N211UA](https://openairdocs.org/aircraft/N211UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30217
- Aircraft time: 48,044 hours, 10,382 cycles
- Engine: Pwa PW4077
- System (JASC): [4940 · APU Start/Ignition System](https://openairdocs.org/jasc/4940)
- Part: Motor
- Part number: 27044425
- Part serial: 96
- Condition: Faulty
- Location: Apu Starter
- 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/CALA2013081390400

## Discrepancy

APU CONTROL APUC DETECTED FAILURE OF REDUNDANT CONTROL FUNCTION OR LOSS OF 1 629 CHANNEL.  STATUS MESSAGE APU CONTROL MSG-4910760 ACTIVE TA INTER  APU CONTROL MESSAGE FAULT.  APU USEABLE. TS IAW FIM 49-40, TASK 807,  REPLACED ELEC STARTER MOTOR IAW MM, OP CHECKED GOOD.

---
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.