# SDR YENA2023040700332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2023
- Submitted: April 7, 2023
- Operation: Air carrier
- Aircraft: [N4022J](https://openairdocs.org/aircraft/N4022J), registered now
- Make and model: Airbus A321-271N
- Registry model: [Airbus A321-271N](https://openairdocs.org/model/airbus-a321-271n) (OpenAirDocs)
- Aircraft serial: 10303
- Aircraft time: 5,985 hours, 880 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2023040700332

## Discrepancy

FLT#2104, BOS-LGW. (ETOPS) 'NO.1 ENG AFT ACCOUSITIC LINER AT 5 O' CLOCK AFT LOOKING FORWARD, SMALL PUNCTURE IN LINER, APPROX 5MM DIAMETER.  PERFORMED REPAIR TO ENG 1 ACOUSTIC (REAR) LINES AT 5 O'CLOCK POSITION IAW AMM 72-21-01. MDDR CLEARED. MX-4 UPDATED.

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