# SDR CALA2014062000779

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 14, 2014
- Submitted: June 20, 2014
- Operation: Air carrier
- Aircraft: [N12109](https://openairdocs.org/aircraft/N12109), registered now
- Make and model: Boeing 757224
- Aircraft serial: 27299
- Aircraft time: 76,321 hours, 18,583 cycles
- System (JASC): [2140 · Heating System](https://openairdocs.org/jasc/2140)
- Part: Heater
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: CR
- How discovered: O
- Nature of condition: M
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014062000779

## Discrepancy

OVERWING HATCH HEATERS AT ROW 21 SEAT F PRODUCING EXCESS HEAT.  MOLDING IS DISCOLORED & IS MELTING.  UNABLE TO TOUCH DUE TO HEAT IAW NR 4727556, 4727557, 4727558, 4727560, 4727561 & 4727562.  REPLACED NUMEROUS HEATERS THROUGHOUT ACFT, SOME TO CORRECT ABOVE ISSUE, OTHERS PRECAUTIONARY.

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