# SDR ASAA2022022437539

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 24, 2022
- Submitted: February 25, 2022
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 36,187 hours, 10,547 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: None
- Part number: 4739551
- Part serial: 3313
- Condition: Inoperative
- Location: Flight Deck
- Part time: 53,721 hours, 18,655 cycles
- Stage of operation: NR
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022022437539

## Discrepancy

CARGO FIRE ELECTRICAL UNIT FORWARD WILL NOT ILLUMINATE ON TEST. GROUNDED - YES. REMOVED & REPLACED CARGO ELECTRONIC UNIT IAW B737-800 AMM 26-16-02. OPS CHECK NORMAL.

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