# SDR GLBA200904281

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2009
- Submitted: April 28, 2009
- Operation: Air carrier
- Aircraft: [N153GL](https://openairdocs.org/aircraft/N153GL), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE153
- Aircraft time: 29,779 hours, 39,563 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Relay
- Condition: Odor
- Location: Te Flaps
- Stage of operation: TX
- How discovered: C
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GLBA200904281

## Discrepancy

BURNING PLASTIC ODOR WHEN MODE CONTROLLER & BLOWERS ON.    MAINTENANCE REMOVED FLOORBOARDS OVER THE FORWARD AND AFT VENT BLOWERES.  FOUND BLOWERS TO OPERATE. RE-INSTALLED FLOORBOARDS. REMOVED FLOORBOARD COVERING FLAP MOTOR, GEARBOX, AND FLAP RELAY. NOTICED AN ABNORMAL BURN ODOR . OPERATED FLAPS AND THEY DID WORK. TAPPED ON THE FLAP MOTOR AND FLAPS STILL DID WORK. REMOVED FLAP RELAY MOUNTING SCREWS AND FLAP RELAY WIRES. RE-ATTACHED WIRING. MAINTENANCE REMOVED AND REPLACED THE FLAP RELAY. RE-NSTALLED SCREWS AND RE-ATTACHED WIRES TO TERMINALS. MAINTENANCE OPERATED FLAPS SEVERAL TIMES WITH NO FAILURES NOTED. NO ELECTRICAL ODOR NOTED.

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