# SDR YENA2023080300894

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2023
- Submitted: August 3, 2023
- Operation: Air carrier
- Aircraft: [N4048J](https://openairdocs.org/aircraft/N4048J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 10446
- Aircraft time: 7,209 hours, 1,053 cycles
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Sensor
- Part number: 9105A000502
- Part serial: 56954
- Condition: Failed
- Location: Unknown
- Part time: 7,213 hours, 1,052 cycles
- Stage of operation: UK
- 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/YENA2023080300894

## Discrepancy

FLT#007, JFK-LHR. (ETOPS) 'AIR PACK 1 REGULATOR FAULT ( PACK COMPRESSOR OUTLET TEMP IND- BLEED PG ).  REMOVED AND REPLACED PACK 1 COMPRESSOR TEMP SENSOR FIN 12HH IAW AMM 21-61-11. OPS CHECK GOOD. NO DEFECTS NOTED. CLEARS MDDR 518686. MX-4 UPDATED. PLACARD REMOVED.

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