Service difficulty report · Bulb Seal · Boeing 737823

Difficulty date
December 2, 2025
Submitted
December 8, 2025
Operation
Air carrier
Aircraft
N920NN
Make and model
Boeing 737823
Aircraft serial
31165
Aircraft time
37,799 hours, 16,450 cycles
Part
Bulb Seal
Condition
Torn
Location
Zone 800
Stage of operation
TO
How discovered
O
Nature of condition
S, 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 DUE TO: FORWARD ENTRY DOOR SEAL LEAKING IN FLIGHT, CONFIRMED DOOR SEAL BLOWN/TORN OUT AT 6 O'CLOCK. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. REMOVE AND REPLACED BULB (AALA202512031645) AND DIAPHRAGM SEALS (AALA202512081256) . PER AMM 52-04-14.