# SDR CALA2014102101368

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2014
- Submitted: October 21, 2014
- Operation: Air carrier
- Aircraft: [N76288](https://openairdocs.org/aircraft/N76288), registered now
- Make and model: Boeing 737824
- Aircraft serial: 33451
- Aircraft time: 35,097 hours, 11,956 cycles
- System (JASC): [4930 · APU Engine Fuel and Control](https://openairdocs.org/jasc/4930)
- Part: Fuel Control
- Part number: 2118966222
- Part serial: 0192
- Condition: Faulty
- Location: Apu
- Part time: 49,106 hours, 17,212 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014102101368

## Discrepancy

APU OTBD SHUTDOWN INFLIGHT DUE TO AN OVER SPEED.  AFTER TROUBLESHOOTING R & R APU FUEL CONTROL UNIT IAW AMM 49-11-000-801 & AMM 49-31-11-400-801.  R & R APU ECU IAW AMM 49-61-12.  OPERATIONS 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.