# SDR AALA202106219002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2021
- Submitted: June 21, 2021
- Operation: Air carrier
- Aircraft: [N907NN](https://openairdocs.org/aircraft/N907NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31158
- Aircraft time: 26,147 hours, 10,822 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Module
- Part number: 90195002
- Condition: Faulty
- Location: Overheat Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202106219002

## Discrepancy

AIRCRAFT WAS GROUNDED: AT APPROXIMATELY 10,000 FEET ENGINE 2 OVERHEAT LIGHT ILLUMINATED. ENGINE 1 FIRE LIGHT AND ENGINE 1 OVERHEAT DOES NOT TEST. RETURNED TO FIELD.  REPLACED CHAFED HARNESS MW0325 (AALA202106189013) PER AMM 26-11-02 AND AMM 26-10-01. REPLACED ENGINE AND APU FIRE AND OVERHEAT DETECTION CONTROL MODULE (AALA202106219002) PER AMM 26-10-01.

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