# SDR HALA2021021600019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 13, 2021
- Submitted: February 16, 2021
- Operation: Air carrier
- Aircraft: [N375HA](https://openairdocs.org/aircraft/N375HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1606
- Aircraft time: 23,344 hours, 3,655 cycles
- Engine: Rroyce RB211TRENT77
- System (JASC): [7921 · Engine Oil Cooler](https://openairdocs.org/jasc/7921)
- Part: Oil Cooler
- Part number: 43792190001
- Part serial: 41387
- Condition: Defective
- Location: Nr 1 Engine
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2021021600019

## Discrepancy

ETOPS - ON PDC, FOUND #1 ENG AIR/OIL HEAT EXCHANGE 4073265 LEAKING OIL INTERNALLY. // REMOVED #1 ENG AIR/OIL HEAT EXCHANGER PER AMM 79-21-51-000-803-A 13 FEB 2021 INSTALLED #1 ENG AIR OIL HEAT EXCHANGER PER AMM 79-21-51. OPS CHECK AND LEAK CHECK GOOD. COOLER, OIL-AIR OFF 43-7921-9-0001 41387 ON 43-7921-9-0001 41492

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