# SDR DALA2022042802999

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2022
- Submitted: April 28, 2022
- Operation: Air carrier
- Aircraft: [N672DL](https://openairdocs.org/aircraft/N672DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 25977
- Aircraft time: 93,858 hours, 40,970 cycles
- System (JASC): [4990 · APU Oil System](https://openairdocs.org/jasc/4990)
- Part: Air Duct
- Condition: Dirty
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022042802999

## Discrepancy

SHIP 672 FAINT MUSTY SMELL IN COCKPIT DURING CRUISE. CORRECTIVE ACTION: C/W NO GO ODI PREVENTION PROGRAM. T/S PER B757 FIM 21-00-01/301 AND ENCOUNTERED OIL SOOT IN APU BLEED AIR DUCT WITH NO VISIBLE OIL LEAKS ON APU WITH APU OIL LEVEL AT MINIMUM. APU REPLACED. (2211396)

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