What was found
FLT 701 - MDW - AIR RETURN, NO EMERGENCY DECLARED. LANDING UNEVENTFUL. AUTO AND STANDBY PRESSURIZATION FAILED IN FIGHT AT 5000FT. ONLY DC MANUAL OPERATIONAL. REPLACED OUTFLOW VALVE. OPS CHECK NORMAL PER MM 21-31-11. (M)
- Difficulty date
- August 17, 1998
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N204AU
- Make and model
- Boeing 737247
- Aircraft serial
- 19603
- System (JASC)
- 2133 · Pressure Regulator/Outflow Valve
- Part
- Valve
- Part number
- 7110033
- Condition
- Inop
- Location
- Fuselage
- Stage of operation
- CL
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.