# SDR HALA2021031500033

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2021
- Submitted: March 15, 2021
- Operation: Air carrier
- Aircraft: [N378HA](https://openairdocs.org/aircraft/N378HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1615
- Aircraft time: 22,123 hours, 3,590 cycles
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Heat Exchanger
- Part number: 43792190001
- Part serial: 41650
- Condition: Leaking
- Location: Nr 2 Engine Oil
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HALA2021031500033

## Discrepancy

ON SERVICE CHECK WALKAROUND, FOUND NR 2 ENGINE AIR-OIL HEAT EXCHANGER LEAKING OIL.   REMOVED AIR OIL HEAT EXCHANGER IAW AMM 79-21-51 480250.  REPLACED THE AIR OIL HEAT EXCHANGER IAW AMM 79-21-51.  NO LEAKS NOTED. OK FOR SERVICE,

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.