Service difficulty report · Control Valve · Boeing 737823

Difficulty date
April 7, 2022
Submitted
April 8, 2022
Operation
Air carrier
Aircraft
N842NN
Make and model
Boeing 737823
Aircraft serial
31099
Aircraft time
35,680 hours, 14,589 cycles
Part
Control Valve
Part number
32149721
Part serial
2572
Condition
Faulty
Location
Zone 100 - Fuse
Stage of operation
CL
How discovered
V
Nature of condition
N
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: DURING CLIMB CABIN TEMPERATURE UNCONTROLLABLE. SHORTLY AFTERWORD RECEIVED RIGHT WING BODY OVERHEAT. FLIGHT DIVERTED TO CLT LANDING SAFELY. REPLACED TRIM AIR PRESSURE REGULATING AND SHUT OFF VALVE PER AMM 21-62-01-000-801 AND 21-62-01-400-801. ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK.