# SDR TWAA0100904

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 12, 2001
- Submitted: January 15, 2001
- Operation: Air carrier
- Aircraft: N9303K
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 49529
- Aircraft time: 42,381 hours, 21,250 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Relay
- Part number: 9008D093
- Condition: Odor
- Location: Cockpit
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TWAA0100904

## Discrepancy

AFTER TAKEOFF SEVERAL CIRCUIT BREAKERS POPPED ON THE RT AC BUS, INCLUDING THE RECIRCULATION FAN AND SEVERAL FUEL BOOST PUMPS.  THERE WAS ALSO AN ODOR.  FLIGHT RETURNED TO STL.  NOTHING WAS FOUND AFTER MANY ELECTRICAL CHECKS.  REPLACED THE RT GEN POWER RELAY.  CHECK-C 12-24-00 STL.

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