# SDR AALA202603041519

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2026
- Submitted: March 4, 2026
- Operation: Air carrier
- Aircraft: [N445AA](https://openairdocs.org/aircraft/N445AA), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 10728
- Aircraft time: 16,547 hours, 4,477 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: AE1819B00
- Part serial: 222604623
- Condition: Seized
- Location: Zone 100
- Part time: 16,551 hours, 4,478 cycles
- Stage of operation: CL
- 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/AALA202603041519

## Discrepancy

AIRCRAFT WAS GROUNDED: VENT BLOWER FAULT ECAM CAME ON DURING CLIMB, 25 MINUTES AFTER TAKE OFF. FLIGHT CREW ACCOMPLISHED ECAM PROCEDURE-BLOWER TO OVERRIDE-ECAM CLEARED, NO STATUS MESSAGES OTHER THAN PREVIOUS MEL MESSAGES.  FLIGHT CREW REPORTED THEY NOTICED SLIGHT ODOR IN FLIGHT DECK ONLY WHICH DISSIPATED AFTER BLOWER TO OVERRIDE. THE FLIGHT ATTENDENTS HEARD SLIGHT NOISE COMING FROM RIGHT SIDE OF AIRCRAFT. MAINTENANCE FOUND THE AVIONICS BLOWER FAN SEIZED AND REPLACED IT PER AMM 21-26-51. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO FAULTS OR ODORS NOTED.

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