# SDR DALA2024041904576

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2024
- Submitted: April 19, 2024
- Operation: Air carrier
- Aircraft: [N539DN](https://openairdocs.org/aircraft/N539DN), 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: 11479
- Aircraft time: 3,103 hours, 744 cycles
- Engine: Iae PW1133GAJM
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Cone
- Part number: UNKNOWN
- Condition: Contaminated
- Location: Nr 2 Inlet
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2024041904576

## Discrepancy

AIRCRAFT 5039, UPON SHUTDOWN OF BOTH ENGINES A BURNING OIL/DIRTY SOCK SMELL WAS OBVIOUS IN THE COCKPIT. APU BLEED WAS ON AND HAD BEEN ON. APU HAD 3 PLUS MINUTE WARM UP PRIOR TO APU BLEED. APU BLEED ON FOR 2 MINS. CORRECTIVE ACTION: STRONG WIND AND RAIN INTO TAILPIPE ON SHUTDOWN AT GATE. REMOVED NBR 2 INLET CONE AND FOUND OIL RESIDUE PRESENT. REPLACED #2 FAN SHAFT COVER "O" RING PER A321 AMM 72-15. PERFORMED DECONTAMINATION PROCEDURE A AND REPLACED RECIRCULATION FILTER CARTRIDGES. (LP 4868500)

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