# SDR YENA2025091700942

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2025
- Submitted: September 17, 2025
- Operation: Air carrier
- Aircraft: [N4073J](https://openairdocs.org/aircraft/N4073J), 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: 11129
- Aircraft time: 10,359 hours, 1,538 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: VFT300800
- Part serial: 042602185
- Condition: Faulted
- Location: Zone 100
- Part time: 51,645 hours, 17,564 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025091700942

## Discrepancy

FLT#2260, MAD-BOS. (ETOPS) "AVIONICS SYS FAULT - SKIN AIR OUTLET VALVE ( SKIN AIR OUTLET VALVE (AVIONICS) ); REMOVED AND REPLACED SKIN AIR OUTLET VALVE (22HQ) IAW AMM 21-26-53 OPS CHK OK NO FAULTS NOTED AT THIS TIME A/C OK FOR SVC MDDR CLEARED PLACARD REMOVED MX4 UPDATED.

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