# SDR ASAA2022070338958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 3, 2022
- Submitted: September 7, 2022
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 57,764 hours, 17,301 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TX
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022070338958

## Discrepancy

ENG OVERHEAT AND FIRE DETECT SYSTEM A NOT TESTING PROPERLY. GROUNDED - YES. REMOVED E2-2 SHELF ASSEMBLY PER B737-800 AMM 20-10-07-020-899. RETERMINATED CONNECTOR D1002 PIN 24 PER SWPM 20-71-11. RETERMINATED TERMINAL A LUG OF MW 0325 LOWER CORE HARNESS PER SWPM 20-30-11. NO FAULTS FOUND. INSTALLED E2-2 SHELF ASSEMBLY PER AMM 20-10-07-400-899. #1 ENG OVERHEAT AND FIRE DETECTION AND APU FIRE DETECTION TEST PASSED PER AMM 26-11-00-710-801 AND AMM 26-15-00-710-801. GROUND VERIFICATION SUCCESSFUL.

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