# SDR F3LA202604030395

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2026
- Submitted: April 4, 2026
- Operation: Air carrier
- Aircraft: [N621FR](https://openairdocs.org/aircraft/N621FR), 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: 11437
- Aircraft time: 7,321 hours, 3,249 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Engine
- Part number: PW1133GAJM
- Part serial: P802167
- Condition: Odor
- Location: Nr 1
- Part time: 1,176 hours, 505 cycles
- Stage of operation: DE
- 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/F3LA202604030395

## Discrepancy

ACFT WAS GROUNDED AS A RESULT OF ODOR EVENT DURING DESCENT QRH PROCEDURE INDICATES PACK 1 MAY BE THE SOURCE.  AC WAS GROUNDED AS A RESULT OF THE SDR REPORTABLE EVENT.  REFERENCE LP580465 #1 FOUND SOURCE OF ODOR TO BE ENG 1. ENG 1 HAS BEEN REPLACED, PERFORMED LEVEL B REMOVAL OF THE CONTAMINATION OF ECS REF AMM 21-00-00-645-503-A. NO DEFECTS NOTED AT THIS TIME. REF LP580465 #2 FOR REPLACEMENT OF ENG 1. ACFT OK FOR SERVICE.

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