# SDR ASAA2023102945943

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2023
- Submitted: November 1, 2023
- Operation: Air carrier
- Aircraft: [N519AS](https://openairdocs.org/aircraft/N519AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36482
- Aircraft time: 53,032 hours, 15,701 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 90195002
- Part serial: 4819
- Condition: Faulty
- Location: E/E Shelf E2
- Part time: 53,027 hours, 15,694 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023102945943

## Discrepancy

#2 ENGINE OVERHEAT LIGHT ILLUMINATED WHEN LEVELING OFF IN CRUISE. EXTINGUISHED AT REDUCED POWER. GROUNDED - YES. AIR TURNBACK - MIG-2C S/N # 40-0053209 OPENED N. LUMAGUE 10/30/2023REF LOG PAGES 60736841 AND 60736842 FOR WORK ACCOMPLISHED. MIG-2C SN # 40-0053209 CLOSED. LP 60736841: REMOVED AND REPLACED ENGINE AND APU FIRE DETECTION MODULE PER AMM 26-10-01. OPS CHECKS GOOD NO FAULTS NOTEDLP 60736842: REPLACED ENGINE AND APU FIRE CONTROL PANEL PER AMM 26-00-01-000-801/ 26-00-01-400-801 PERFORMED ENGINE AND APU FIRE DETECTION CONTROL UNIT INSTALLATION TEST IAW AMM SUBTASK 26-00-01-860-010. OPS TEST GOOD. ALL REQUIRED TESTS COMPLETED. A/C OK FOR SERVICE.

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