# SDR UIEA2017052300843

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 23, 2017
- Submitted: May 30, 2017
- Operation: Air carrier
- Aircraft: [N645GT](https://openairdocs.org/aircraft/N645GT), registered now
- Make and model: Boeing 767324
- Aircraft serial: 27393
- Aircraft time: 90,833 hours, 17,311 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: O-Ring
- Part number: 217T24003
- Condition: Failed
- Location: Cooling Duct
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017052300843

## Discrepancy

LEFT MCDU IS LOSING COOLING AIR INFLIGHT,  AUTO MODE.  REPLACED O-RING ON EQUIPMENT COOLING DUCTS. OPS CHECKED IAW 21-58-00.

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