# SDR SWAA2024052086582

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 15, 2024
- Submitted: May 20, 2024
- Operation: Air carrier
- Aircraft: N7850B
- Make and model: Boeing 737-7Q8
- Registry model: [Boeing 737-7Q8](https://openairdocs.org/model/boeing-737-7q8) (OpenAirDocs)
- Aircraft serial: 28238
- Aircraft time: 65,039 hours, 42,841 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Warning
- Condition: Illuminated
- Location: Apu Bay
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024052086582

## Discrepancy

APU FIRE OFF GATE! FOLLOWED QRC & QRH CHECK LIST. PULLED FIRE HANDLE & ROTATED & SHUT OFF APU.   OK TO CONTINUE ON MEL 49-1-01 SP1 AUTHORIZATION# 193579;[02] T/S PER FIM 49-55; TASK 801. UPON INSPECTION OF MAGNETIC DRAIN PLUG; FOUND SIGNS OF SILVER COLOR METAL FLAKES. ATTACHED PHOTOS TO FAULT.;[03] PER POWERPLANT ENGINEERING; TSR#2024003332; APU CHANGE REQUESTED.;[04] R/R?D APU IAW MT 749-11-01 OP?S CHECK OK

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