# SDR CALA2011030400121

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2011
- Submitted: March 4, 2011
- Operation: Air carrier
- Aircraft: [N53442](https://openairdocs.org/aircraft/N53442), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33536
- Aircraft time: 4,936 hours, 1,534 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cabin
- Stage of operation: UK
- 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/CALA2011030400121

## Discrepancy

AIR RETURN TO DEPARTURE FIELD {KEWR} AFTER REPORTS OF A BURNING PLASTICS/ ELECTRICAL NATURE IN THE AIRCRAFT CABIN.  PERFORMED FIM TASK 21-00-00-810-806.  NO DEFECTS NOTED.  ALSO PERFORMED HIGH POWER RUN WITH & WITHOUT PACKS, RAN ALL GALLEY EQUIPMENT, NO SMELL APPARENT.  SUSPECT NR 1 ENGINE BOROSCOPE PLUG ANTI-SEIZE COMPOUND & DISSIPATED BEFORE LANDING.  OK TO CONTINUE.

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