# SDR HALA2019112100497

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 21, 2019
- Submitted: November 22, 2019
- Operation: Air carrier
- Aircraft: [N370HA](https://openairdocs.org/aircraft/N370HA), registered now
- Make and model: Airbus A330-243
- Registry model: [Airbus A330-243](https://openairdocs.org/model/airbus-a330-243) (OpenAirDocs)
- Aircraft serial: 1511
- Aircraft time: 25,913 hours, 3,954 cycles
- Engine: Rroyce RB211TRENT77
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: Heat Exchanger
- Part number: 32006742
- Part serial: 32006741159
- Condition: Leaking
- Location: Lt Eng Fuel
- Part time: 25,899 hours, 3,951 cycles
- 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/HALA2019112100497

## Discrepancy

ETOPS SIGNIFICANT SYSTEM -  L/H ENG FUEL LEAK FROM DRAIN MAST// C/O TSM TASK 71-00-00-810-914-A R71 LEAK FOUND TO ORIGINATE FROM THE AIR/OIL HEAT EX-CHANGER.                           
REPLACEMENT OF AIR/OIL HEAT EX-CHANGER CARRIED OUT IAW A330 AMM 79-21-51-400-803 REV 72.00.

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