Service difficulty report · Outflow Valve · Boeing 75723A
FAA SDR system
- Difficulty date
- November 19, 2019
- Submitted
- November 26, 2019
- Operation
- Air carrier
- Make and model
- Boeing 75723A
- Aircraft serial
- 24924
- Aircraft time
- 76,251 hours, 26,486 cycles
- Part
- Outflow Valve
- Part number
- 60683218
- Part serial
- 421562
- Condition
- Failed
- Location
- Cabin Pressure
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDIS 921 21-30 8714 19NOV19 MCI OPEN U LOGPAGES:3170061 CABIN AUTOMATIC INOP. UNABLE TO MAINTAIN CABIN ALT IN MANUAL WITH VALVE FULLY CLOSED. REPLACED CABIN PRESSURE OUTFLOW VALVE AND TESTED PER AMM 21-31-03-2, OPS CHECKS GOOD. REPLACED #2 AUTOMATIC PRESSURE CONTROLLER PER AMM 21-31-02-4, OPS CHECKS GOOD.