# SDR UALA2013062704520

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2013
- Submitted: June 28, 2013
- Operation: Air carrier
- Aircraft: [N779UA](https://openairdocs.org/aircraft/N779UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26941
- Aircraft time: 69,038 hours, 12,171 cycles
- Engine: Pwa PW4077
- System (JASC): [2197 · Air Conditioning System Wiring](https://openairdocs.org/jasc/2197)
- Part: Relay
- Condition: Faulty
- Location: Vent Fan
- 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/UALA2013062704520

## Discrepancy

RT LAVATORY AND GALLEY VENT FAN MESSAGE DISPLAYED.  PULLED AND SECURED CB D7 ON P210. ITEM HAS HISTORY.  REPLACED RELAY K21261. OPS CHECKED GOOD. MAT TEST PASS.  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.