# SDR CALA2021032200363

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2021
- Submitted: March 22, 2021
- Operation: Air carrier
- Aircraft: [N37277](https://openairdocs.org/aircraft/N37277), registered now
- Make and model: Boeing 737824
- Aircraft serial: 31595
- Aircraft time: 60,166 hours, 20,451 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Overheat Loop
- Condition: False Activation
- Location: Wing To Body
- Stage of operation: NR
- 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/CALA2021032200363

## Discrepancy

WING-BODY OVERHEAT LIGHT LIGHT ON RIGHT SIDE REF FIM 26-18-00-810-810, OVERHEAT UNIT M237 SHOWS FAULT CODE 64. REMOVED AND REPLACED OVERHEAT DETECTOR M269 PER AMM 26-18-02-400-801 FAULT CLEARED. RAN RIGHT PACK ON HIGH FOR 30 MINUTES AND DRY MOTORED #2 ENG FOR 2 MINUTES NO DEFECTS OR OVERHEAT LIGHT NOTED. ADD EMP:308792

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