# SDR UALA2011081104230

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2011
- Submitted: August 17, 2011
- Operation: Air carrier
- Aircraft: [N673UA](https://openairdocs.org/aircraft/N673UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 29241
- Aircraft time: 41,949 hours, 10,998 cycles
- Engine: Pwa PW4052
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Heat Exchanger
- Part number: 51G760600U
- Part serial: 122
- Condition: Defective
- Location: Rt Idg
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011081104230

## Discrepancy

R IDG STATUS EICAS REPEAT.  IDG AIR OIL COOLER VLV BAD VLV DEACTIVATED IN OPEN POS. ENG AIR OIL COOLER OPERATES NORMAL.  REPLACED RT ENG IDG AIR-OIL HEAT EXCHANGER AND VALVE, OPS CHECK OK, NO MESSAGES OR LEAKS PER MM.

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