# SDR CALA2017051901459

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 19, 2017
- Submitted: May 19, 2017
- Operation: Air carrier
- Aircraft: [N76065](https://openairdocs.org/aircraft/N76065), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29460
- Aircraft time: 65,627 hours, 10,866 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Shutoff Valve
- Part number: 3987748
- Part serial: 6368
- Condition: Faulty
- Part time: 65,591 hours, 10,862 cycles
- Stage of operation: CR
- 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/CALA2017051901459

## Discrepancy

FWD EQUIP OVHT EICAS STBY NO HELP AFTER 5 MIN THEN OVRD AND OVHT LIGHT OUT. EMERGENCY DECLARED.  ACP TASK 21-58-00-815-860-002  BLOCK 1,2,AND 22. REPLACED SHUTOFF VLV (V178) REF AMM 21-58-13 AND RELAY K369 IN P36 PLN REF WDM 21-58-12 OP CHK GOOD LEAK CHK GOOD.

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