What was found
PRESSURIZATION CONTROLLER WOULD NOT MAINTAIN PRESSURIZATION IN AUTO, STANDBY, AC/DC, MANUAL MODES. TEARDOWN REPORT AUTO MODE BOARD ASSY, AF RELAYS, STANDBY BOARD ASSY, OUT OF CALIBRATION.
- Difficulty date
- March 28, 2016
- Submitted
- March 28, 2016
- Operation
- Air carrier
- Aircraft
- N725CK
- Make and model
- Boeing 727224
- Aircraft serial
- 22252
- Aircraft time
- 63,999 hours, 35,258 cycles
- System (JASC)
- 2131 · Cabin Pressure Controller
- Part
- Controller
- Part number
- 79090601
- Part serial
- 8412575
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- B, A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.