# SDR AWXA9900475

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N329AW
- Make and model: Boeing 737-3Y0
- Registry model: [Boeing 737-3Y0](https://openairdocs.org/model/boeing-737-3y0) (OpenAirDocs)
- Aircraft serial: 23500
- System (JASC): [2430 · DC Generating System](https://openairdocs.org/jasc/2430)
- Part: Gcu
- Condition: Malfunctioned
- Location: Nr 2
- Part time: 41,188 hours
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA9900475

## Discrepancy

ON CLIMBOUT NR 2 & 3 TR C/B POPPED FOLLOWED BY NR 2 GENERATOR TRIPPED OFF THE BUS.  INSPECTED CONNECTIONS AT NR 2 ENG AND ENG DISCONNECT, CHECKED OK.  REPLACED NR 2 ENG GEN BREAKER PER M/M 24-21-41 TT 0049807.  REPLACED NR 2 GEN CONT UNIT, TT 0043009 (P/N 948F458-3) (S/N OK2413).  GCU WAS REPLACED TWICE, NO FIX.  CURRENT HISTORY:   SHORT HISTORY OF NR 2 GEN PROBLEMS 9 DEC 99.  A/C IS ON CRITICAL ALERT.  RECOMMENDATION:   SDR WILL REMAIN OPEN PENDING REVIEW OF TEARDOWN REPORT.  NOTE:  A/C IS CURRENTLY OUT OF SERVICE, MORE INFO TO FOLLOW.

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