# SDR UIEA2018052100920

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2018
- Submitted: May 25, 2018
- Operation: Air carrier
- Aircraft: [N1373A](https://openairdocs.org/aircraft/N1373A), registered now
- Make and model: Boeing 767-31K
- Registry model: [Boeing 767-31K](https://openairdocs.org/model/boeing-767-31k) (OpenAirDocs)
- Aircraft serial: 27205
- Aircraft time: 96,576 hours, 19,759 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Exhaust Valve
- Part number: 320995
- Part serial: 879
- Condition: Malfunctioned
- Stage of operation: CR
- 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/UIEA2018052100920

## Discrepancy

EICAS FOR THE FWD EQUIPMENT VALVE.  PERFORMED ECP BITE TEST, FAULTED OVERBOARD EXHAUST VALVE.   REMOVED AND REPLACED THE FAN ASSY IAW AMM 21-528-05, OPS CHECKED NORMAL.  R & R THE FWD EQUIPMENT VALVE IAW AMM 21-58-05, OPS NORMAL.

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