# SDR C8GA20010005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2001
- Submitted: April 10, 2001
- Operation: Air carrier
- Aircraft: [N287SC](https://openairdocs.org/aircraft/N287SC), registered now
- Make and model: Boeing 727-2A1
- Registry model: [Boeing 727-2A1](https://openairdocs.org/model/boeing-727-2a1) (OpenAirDocs)
- Aircraft serial: 21345
- Aircraft time: 48,577 hours, 35,089 cycles
- System (JASC): [2424 · AC Regulator](https://openairdocs.org/jasc/2424)
- Part: Gcu
- Part number: 902F2425
- Part serial: FC2144M
- Condition: Contaminated
- Location: Nr 1 Engine
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C8GA20010005

## Discrepancy

FLT BX742 FROM TOL TO OMA.  NR 1 IN LINE FOR TAKEOFF, NR 1 GENERATOR HAD A 3 LIGHT TRIP WITH A BRIEF LOSS OF NR 2 & 3 GCB''S AND ESSENTIAL POWER (SELECTED ON NR 3 AT THE TIME).  CREW REPORTED SMELLING SMOKE IN THE COCKPIT.  AIRCRAFT RETURNED TO BLOCKS WITHOUT INCIDENT.  FOUND WATER FROM HEAVY RAIN IN THE NR 1 GENERATOR CONTROL UNIT (GCU).  REPLACED GCU. OPS CHECK GOOD.  AIRCRAFT RETURNED TO SERVICE.

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