Service difficulty report · Controller · Boeing 7377H4

Difficulty date
May 13, 2018
Submitted
May 22, 2018
Operation
Air carrier
Aircraft
N732SW
Make and model
Boeing 7377H4
Aircraft serial
27864
Aircraft time
66,951 hours, 39,085 cycles
Part
Controller
Part number
71211997101AC
Part serial
9860378
Condition
Faulty
Location
Cabin Pressure
Stage of operation
UK
How discovered
O
Nature of condition
J
Precautionary procedure
G

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

What was found

DECLARED EMERGENCY, AUTO FAIL & ALT ON PRES PANEL ILLUMINATED AT 380 MSL AFTER A FEW SECONDS ALT LIGHT WENT OUT SWITCHED TO MANUAL AUT FLOW VALVE FULL CLOSED CABIN STILL CONTINUED TO CLIMB; O2 MASKS DEPLOYED AFTER OPENING / PAX O2 SWITCH NOTED DASHED LINES ON FLT&LND ALT WINDOWS. R&R NR 1 CABIN PRESSURE CONTROLLER PER MM.

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