# SDR CALA2019120302136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2019
- Submitted: December 3, 2019
- Operation: Air carrier
- Aircraft: [N771UA](https://openairdocs.org/aircraft/N771UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26932
- Aircraft time: 94,713 hours, 16,706 cycles
- Engine: Pwa PW4077
- System (JASC): [7922 · Engine Oil Temperature Regulator](https://openairdocs.org/jasc/7922)
- Part: Heat Exchanger
- Part number: 471111203600U
- Condition: Inoperative
- Location: Nr 1 Eng Oil
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2019120302136

## Discrepancy

HIGH OIL PRES REPORTED IN ERROR ACTUAL EVENT WAS HIGH OIL TEMP LEFT SEE LP 3920615 FOR WORK PERFORMED. FUEL/OIL COOLER REPLACED, ALL OPS OK

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