# SDR USAASB99255

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N233US](https://openairdocs.org/aircraft/N233US), registered now
- Make and model: Boeing 737201
- Aircraft serial: 22273
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Condition: Unknown
- Stage of operation: CR
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB99255

## Discrepancy

GSO - FLT 2660 - UPON PUSHBACK, THE NR 1 TRU C/B TRIPPED.  THE NR 1 ENG GEN READ ZERO AMPS AND ZERO VOLTS.  CREW RESET THE NR 1 TRU C/B ALONG WITH THE NORMAL EQUIP BLOWER C/B'S THAT HAD ALSO TRIPPED AND THE NR 1 GEN CAME ON LINE.  HOWEVER, EN ROUTE FROM ATL TO BWI AT CRUISE ALT, THE NR 1 TRU C/B TRIPPED AGAIN AND AN ELECTRICAL ODOR WAS NOTED IN THE FLT COMPARTMENT.  CREW SHIFTED BUS NR 1 TO APU GEN AND ODOR WENT AWAY.  FLT DIVERTED TO GSO AND LANDED W/O FURTHER INCIDENT.  NO EMERGENCY WAS DECLARED.  MX FOUND THR NR 1 ENG FIREWALL CONNECTOR D41O CORRODED.  REMOVED AND REPLACED CONNECTOR AND PINS.  RAN NR 1 ENG GEN SYSTEM.  OP'S CHECK GOOD.  AS FOR THE NORMAL EQUIP BLOWER C/B'S TRIPPING, MX REMOVED AND REPLACED T

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