# SDR CALA2013072990012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 28, 2013
- Submitted: July 29, 2013
- Operation: Air carrier
- Aircraft: [N224UA](https://openairdocs.org/aircraft/N224UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30225
- Aircraft time: 48,414 hours, 5,808 cycles
- Engine: Pwa PW40903
- System (JASC): [2700 · Flight Control System](https://openairdocs.org/jasc/2700)
- Part: Pcu
- Part number: 15441007
- Part serial: 1586
- Condition: Inoperative
- Location: Flaperons
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2013072990012

## Discrepancy

FLAPPER ON STATUS MESSAGE DISCONNECT CAP AND STOW FOR LT OTBD PCU.  MSG 27-10301 SHOWN, PCU LEFT OTBD DOES NOT FOLLOW COMMAND.  CB PULLED TO DEACTIVATE.  PCU LT OTBD DOES NOT FOLLOW COMMAND.  REPLACED LT OUTBOARD PCU IAW MM,  OPS GOOD,  NO MESSAGE.

---
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.
