# SDR YENA2025040400365

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2025
- Submitted: April 4, 2025
- Operation: Air carrier
- Aircraft: [N2142J](https://openairdocs.org/aircraft/N2142J), 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: 10254
- Aircraft time: 14,121 hours, 2,636 cycles
- Engine: Iae PW1133GAJM
- Engine time: 14,121 hours, 2,636 cycles
- System (JASC): [7520 · Engine Cooling System](https://openairdocs.org/jasc/7520)
- Part: Buffer Valve
- Part number: 10209231
- Part serial: 3MNAB00007
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 13,210 hours, 3,189 cycles
- Stage of operation: DE
- 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/YENA2025040400365

## Discrepancy

FLT#2073, JFK-LAX. (ETOPS) 'ON DESCENT ENG 2 AIR SYS FAULT; ACCOMPLISHED TSM 75-26-00-810-818A STEP 7 REMOVED AND REPLACED VALVE BUFFER AIR PER AMM 75-26-02-000-801 AND 75-26-02-400-801, LEAK CHECK AND ENG ABOVE IDLE 80% N1 REQUIRED (PERFORMED TEST 17 TEST ABOVE IDLE ON #2 ENG ALL TEST CHECKED OK NO ENG 2 AIR SYS FAULT ON ECAM NO PFR GENERATED WITH ANY FAULTS GROUND VERIFICATION CHECKED SATISFACTORY WITH NO FAULTS A/C OK FOR CONTINUED SVC).

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