# SDR 2002UALA01614

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 22, 2002
- Submitted: November 7, 2002
- Operation: Air carrier
- Aircraft: N344UA
- Make and model: Boeing 737322
- Aircraft serial: 24248
- Aircraft time: 42,778 hours, 23,236 cycles
- Engine: Ge CFM56*
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Relay
- Part number: 91252ZC7C4001
- Condition: Failed
- Location: Electrical Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002UALA01614

## Discrepancy

AIRCRAFT RETURNED TO FIELD WHEN NUMBER 2 GENERATOR CIRCUIT BREAKER TRIPPED, UNABLE TO RESET.  REPLACED TRANSFER RELAYS R3 AND R4.

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