# SDR 2007UALA04577

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2007
- Submitted: November 6, 2007
- Operation: Air carrier
- Aircraft: [N784UA](https://openairdocs.org/aircraft/N784UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26951
- Aircraft time: 46,758 hours, 6,997 cycles
- Engine: Pwa PW4090
- System (JASC): [3297 · Landing Gear System Wiring](https://openairdocs.org/jasc/3297)
- Part: Wire
- Part number: W7435101118
- Condition: Damaged
- Location: Nlg
- 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/2007UALA04577

## Discrepancy

NLG RED SAFETY LIGHT WILL NOT ILLUMINATE  WHEN PTT SWITCH IS CLOSED.  ALSO, WHEN CLOSING MLG AND NLG DOORS FROM GROUND CIRCUIT BREAKER IN COCKPIT FOR SAFETY VALVE TRIPS.  SUSPECT BROKEN WIRE.  REPAIRED WIRE IN LT MAIN WHEEL WELL. CLEANED LIGHT SOCKET IN NOSE WHEEL WELL. ACCOMPLISHED LAMP TEST AND OPERATED DOORS, OPS CKS NORMAL. AC OK FOR SERVICE

---
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.