Service difficulty report · Outflow Valve · Boeing 7377H4

Difficulty date
November 18, 2017
Submitted
November 20, 2017
Operation
Air carrier
Aircraft
N210WN
Make and model
Boeing 7377H4
Aircraft serial
34162
Aircraft time
44,860 hours, 26,277 cycles
Part
Outflow Valve
Part number
2123002AC
Part serial
0591434
Condition
Faulty
Location
Cabin Pressure
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

AIR TURNBACK/DECLARED EMERGENCY, CABIN ALTITUDE WARNING HORN AND LIGHT ILLUMINATED & SOUNDED WHILE AT CRUISE FLIGHT. R&R AFT OUTFLOW VALVE ASSEMBLY IAW AMM.

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