# SDR DALA2025030301623

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 26, 2025
- Submitted: March 3, 2025
- Operation: Air carrier
- Aircraft: [N505DZ](https://openairdocs.org/aircraft/N505DZ), registered now
- Make and model: Airbus A321-271NX
- Registry model: [Airbus A321-271NX](https://openairdocs.org/model/airbus-s-a-s-a321-271nx) (OpenAirDocs)
- Aircraft serial: 10935
- Aircraft time: 10,603 hours, 2,551 cycles
- Engine: Iae PW1133GJM
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Odor
- Location: Nr 1
- Stage of operation: NR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025030301623

## Discrepancy

SHIP 5005 DURING DESCENT BELOW 10,000 FT, WE NOTICED A STRONG "SMELLY SOCK " ODOR. APU OFF, ENG 1 & 2 BLEEDS ON. SUSPECT POSSIBLE BLEED CONTAMINATION. FA'S ADVISED NO SMELL IN CABIN. CORRECTIVE ACTION: NO.1 ENGINE REPLACED PER AMDS WC 7100-9905-LH. MEL AND PLACARD REMOVED. "M" PROCEDURES REVERSED. (9135044)

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