# SDR UALA2012012400484

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2012
- Submitted: February 10, 2012
- Operation: Air carrier
- Aircraft: [N223UA](https://openairdocs.org/aircraft/N223UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 30224
- Aircraft time: 44,416 hours, 5,426 cycles
- Engine: Pwa PW40903
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Generator
- Part number: 1701768
- Part serial: 746
- Condition: Sheared
- Location: Right
- Stage of operation: IN
- 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/UALA2012012400484

## Discrepancy

RT BUG FAULT AFTER ENG START.  RT BACKUP GENERATOR HAS SHEARED SHAFT WITH MNTC MSG# 24-46010.  NO TIME TO REPLACE.  DEFERRED ASSOCIATED PFC INTERFACE MSG.  SEE DEF#495.  REPLACED RT BACKUP GEN PER MM.  NO LEAKS FOUND, CHECKS NORMAL.

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