What was found
AIRCRAFT WOULD NOT PRESSURIZE. FOUND AUTO FLOW CONTROL VALVE NOT CLOSING PER CABIN PRESS LEAK TEST 05-51-91-702. REPLACED VALVE PER MM 21-58-31. OP CK OK. AIRCRAFT PRESSURIZED ON GROUND PER MM.
- Difficulty date
- June 13, 2005
- Submitted
- June 17, 2005
- Operation
- Air carrier
- Aircraft
- N308WA
- Make and model
- Boeing 737347
- Aircraft serial
- 23441
- Aircraft time
- 52,735 hours, 35,926 cycles
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Outflow Valve
- Part number
- 28410
- Part serial
- 133
- Condition
- Unserviceable
- Location
- Cabin Pressur
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.