# SDR IPXA2024020121327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 31, 2024
- Submitted: February 1, 2024
- Operation: Air carrier
- Aircraft: [N412UP](https://openairdocs.org/aircraft/N412UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 23852
- Aircraft time: 36,435 hours, 24,829 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Fumes
- Location: Cockpit
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024020121327

## Discrepancy

IN CRUISE ADJUSTED TEMP TO WARM UP COCKPIT GET A STRONG SMELL OF FUMES, EXHAUST AND OIL. DONNED O2 MASKS AND RAN SMOKE REMOVAL CHECKLIST. SMELL LINGERED ACCOMPLISHED AMM 05-51-56/301. FIM 21-00-01/301 USED TO IDENTIFY  APU AS SOURCE OF OIL CONTAMINATION IN AIR CONDITIONING SYSTEM. DEFERRED APU ON BARCODE T3F18E003V7AC. CLEARED FUME SMELL USING AMM 21-00-01/201. AIRCRAFT OK FOR SERVICE.

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