# SDR HALA2022021400043

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 2022
- Submitted: February 14, 2022
- Operation: Air carrier
- Aircraft: [N399HA](https://openairdocs.org/aircraft/N399HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1496
- Aircraft time: 32,383 hours, 5,106 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: None
- Condition: None
- 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/HALA2022021400043

## Discrepancy

ETOPS -  DURING WALKAROUND, FOUND OIL SCATTERED AROUND #1 ENGINE COWLING AND THRUST REVERSERS. ORIGIN OF OIL SEEMS TO COME FROM AIR OIL HEAT EXCHANGER CORE.//  INSPECTED AROUND AOHE NO LEAKS FOUND. RAN ENGINE AT IDLE FOR 5 MINUTES. FOUND OIL LEAKING THROUGHT VANES OF AOHE. 13 FEB 22  2095237. REMOVED AND REPLACED #1 ENGINE AOHE PER AMM 79-21-51. NEED TO CONTINUE FROM STEP 4.C. OK INSTALLATION. 13 FEB 22  2557730 ACCOMPLISHED REMAINING STEPS. OPS AND LEAK CHECK GOOD. COOLER, OIL-AIR OFF 43-7921-9-0001 S/N 41347 ON 43-7921-9-0001 S/N 42410

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