What was found
AIR TURNBACK, PRESSURIZATION CONTROLLER FAILED TO RETURN TO FIELD (EVEN WITH BOTH PACKS OFF). UPON RETURN TO LAS, MANUAL A/C WAS REQUIRED TO DUMP THE CABIN. REMOVED AND REPLACED PRESSURE CONTROLLER PER MM.
- Difficulty date
- May 14, 1999
- Submitted
- March 26, 2000
- Operation
- Air carrier
- Aircraft
- N507SW
- Make and model
- Boeing 7375H4
- Aircraft serial
- 24184
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 763101
- Condition
- Erratic
- Location
- E & E Comp
- 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.