Service difficulty report · Outflow Valve · Boeing 737823

Difficulty date
September 9, 2023
Submitted
September 11, 2023
Operation
Air carrier
Aircraft
N346PR
Make and model
Boeing 737823
Aircraft serial
31273
Aircraft time
16,651 hours, 7,127 cycles
Part
Outflow Valve
Part number
10622313
Part serial
17115251
Condition
Inoperative
Location
Zone 100 - Fuse
Stage of operation
CL
How discovered
V
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED. AIRCRAFT RETURN TO DFW SAFELY. PRESSURIZATION FAILURE DURING CLIMB. REPLACED AFT OUTFLOW VALVE ASSEMBLY PER AMM 21-31-03.