Service difficulty report · Outflow Valve · Boeing 737990ER
FAA SDR system
- Difficulty date
- July 7, 2019
- Submitted
- July 9, 2019
- Operation
- Air carrier
- Make and model
- Boeing 737990ER
- Aircraft serial
- 36362
- Aircraft time
- 20,635 hours, 6,771 cycles
- Part
- Outflow Valve
- Condition
- Faulted
- Location
- Cabin Pressure
- Stage of operation
- LD
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER LANDING PRESSURIZATION AUTO FAIL & ALTN LIGHTS ILLUMINATED. GROUNDED - YES. ACCOMPLISHED CABIN PRESSURE CONTROLLER BITE #1 AND #2 DCPC, #2 CONTROLLER LOGGED "OFV LRU FAIL CODE 011" REF FIM 21-31 TASK 801. OUTFLOW VALVE FAIL BITE REF FIM 21-31 TASK 802 OK WITH NO CURRENT FAULTS.