# SDR DALA2024110510674

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 3, 2024
- Submitted: November 5, 2024
- Operation: Air carrier
- Aircraft: [N3751B](https://openairdocs.org/aircraft/N3751B), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30491
- Aircraft time: 75,220 hours, 28,702 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Oil Cooler
- Condition: Leaking
- Location: Apu
- Stage of operation: TX
- How discovered: O
- Nature of condition: K, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024110510674

## Discrepancy

AIRCRAFT 3751, AIRCRAFT JUST BLOCKED IN WITH ENGINES SHUTDOWN AND APU RUNNING, CREW REPORTED BURNING RUBBER SMELL IN CABIN. CORRECTIVE ACTION: REPLACED APU OIL COOLER. (LP 6508517).

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