SDR SWAA2018052122119

Service difficulty report · Line · Boeing 7377H4

Difficulty date: May 19, 2018
Submitted: May 21, 2018
Operation: Air carrier
Aircraft: N732SW
Make and model: Boeing 7377H4
Aircraft serial: 27864
Aircraft time: 66,969 hours, 39,095 cycles
System (JASC): 2130 · Cabin Pressure Control System
Part: Line
Part number: SA417A2042001
Condition: Leaking
Location: Ac Bay
Stage of operation: UK
How discovered: O
Nature of condition: K, J
Precautionary procedure: A

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

What was found

DIVERSION/DECLARED EMERGENCY, AUTO FAIL LIGHT ON PRESS CONTROLLER, SWITCHED TO ALT AND AGAIN AUTOFAIL, SWITCHED TO MAN AND CONTROLLED FOR ABOUT 5 MIN AND THEN CABIN ALT STARTED CLIMBING. FOUND WATER FILTER SUPPLY LINER LEAKING ABOVE OUTFLOW VALVE. R&R LINE IAW MM.

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