Service difficulty report · Exhaust Valve · Boeing 757204
FAA SDR system
- Difficulty date
- June 30, 2014
- Submitted
- July 11, 2014
- Operation
- Air carrier
- Aircraft
- N903NV
- Make and model
- Boeing 757204
- Aircraft serial
- 26966
- Part
- Exhaust Valve
- Condition
- Faulty
- Location
- Ac Bay
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- E, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEVEL AT FL350 CABIN ALERTED EICAS & HORN. CABIN ALTITUDE QRC COMPLIED WITH. MODE SELECTOR IN MANUAL & OUTFLOW VLV FULLY CLOSED, CABIN CONTINUED TO CLIMB AT 500 FPM. CREW INITIATED RAPID DESCENT. FRM 21-30-21-00 REPLACED EQUIPMENT COOLING OVERBOARD EXHAUST VLV IAW AMM 21-58-05 PG 401 - 405. OPERATIONS CHECKED NORMAL. PERFORMED EXCESSIVE CABIN LEAKAGE TEST IAW AMM 05-51-24 PG 201 - 211 PRESSURIZATION NORMAL.