# SDR ASAA2019111821320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2019
- Submitted: November 19, 2019
- Operation: Air carrier
- Aircraft: [N459AS](https://openairdocs.org/aircraft/N459AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36352
- Aircraft time: 22,693 hours, 7,332 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Connector
- Condition: Damaged
- Location: Fire Detector
- Stage of operation: NR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019111821320

## Discrepancy

ON THE CARGO FIRE DETECTION PANEL, THE RED FWD LIGHT ON THE FWD SQUIB ARM BUTTON DOES NOT COME ON DURING THE SYSTEM TEST. GROUNDED - YES. PERFORMED CARGO ELECTRONIC UNIT (CEU) BITE CHECK REF FIM 26-16 TASK 801 DETECTOR A1 FAULT FOUND. INSPECTED D13844 CONNECTOR ON A1 FORWARD SMOKE DETECTOR (M2238) REF WDM 26-16-21-4. FOUND PIN #11 (ALARM) PUSHED BACK ON CONNECTOR, PUSHED PIN 11 NO DEFECTS NOTED ON LOCKING MECHANISM. CEU BITE CHECK PASS. PERFORMED CARGO FIRE CONTROL PANEL BITE CHECK REF FIM 26-23 TASK 801 OPS CHECK GOOD NO DEFECTS NOTED BOTH LOOP A AND B PASS.

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