# SDR YENA2025070900717

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2025
- Submitted: July 9, 2025
- Operation: Air carrier
- Aircraft: [N4074J](https://openairdocs.org/aircraft/N4074J), 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: 11354
- Aircraft time: 8,104 hours, 1,237 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Flow Sensor
- Part number: 2687A000001
- Part serial: 2687A00LI046914
- Condition: Faulted
- Location: Nr 1 A/C Pack
- Part time: 3,907 hours, 620 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2025070900717

## Discrepancy

FLT#1907, JFK-CDG. (ETOPS)  AIR PACK 1 REGULATOR FAULT ( PACK FLOW SENSOR ); REMOVED AND REPLACED PRESS SENSOR (23HB2) IAW AMM 21-51-11 OPS CHECK GOOD  MDDR CLEARED PLACARD REMOVED.

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