# SDR FDEA202410301619

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 30, 2024
- Submitted: October 31, 2024
- Operation: Air carrier
- Aircraft: [N199FE](https://openairdocs.org/aircraft/N199FE), registered now
- Make and model: Boeing 767-3S2F
- Registry model: [Boeing 767-3S2F](https://openairdocs.org/model/boeing-767-3s2f) (OpenAirDocs)
- Aircraft serial: 63129
- Aircraft time: 4,805 hours, 2,360 cycles
- System (JASC): [2133 · Pressure Regulator/Outflow Valve](https://openairdocs.org/jasc/2133)
- Part: Outflow Valve
- Part number: 3209954
- Part serial: 1717
- Condition: Failed
- Location: Zone 100
- 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/FDEA202410301619

## Discrepancy

FWD EQPT VAL EICAS MESSAGE IN CRUISE AT FL370.  PERFORMED CHECKLIST NON-NORMAL PROCEDURES. VALVE  LIGHT REMAINED ON. DESCENDED TO 10000FT.  EMERGENCY DECLARED.  FACT 30OCT24 17:29   MEM  AMM: 21-58-05-4  FIM: 21-58-00-2  T/S PER FIM.  PERFORMED FWD EQP VALVES VOLTAGE DROP TESTS  ALL VLVS PASS EXCEPT OVERBOARD EXH VLV.  OVERBOARD VLV FAILED TESTS.  R & R OVERBOARD VLV.  OPS CK OK.

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