SDR AALA20180204010

Service difficulty report · Seal · Boeing 737823

Difficulty date: February 4, 2018
Submitted: February 8, 2018
Operation: Air carrier
Aircraft: N944AN
Make and model: Boeing 737823
Aircraft serial: 29535
Aircraft time: 52,793 hours, 21,493 cycles
System (JASC): 5210 · Passenger/Crew Doors
Part: Seal
Condition: Dislodged
Location: L1 Door
Stage of operation: CL
How discovered: 9
Nature of condition: O
Precautionary procedure: A

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

What was found

DURING CLIMBOUT, FA STATED THE L1 DOOR WAS LEAKING. A LOUD AIR NOISE WAS COMING FROM L1 DOOR AREA, FORWARD CENTER HINGE SECTION. THE 1L DOOR SEAL WAS BLOWN. CONDITION CONFIRMED BY CAPTAIN. FOUND CENTER HINGE COVER DISLODGED, LIGHT SHOWING THROUGH THE OPENING. AN EMERGENCY WAS DECLARED. AIRCRAFT WAS GROUNDED. FLIGHT LANDED WITHOUT FURTHER INCIDENT. REPLACED THE FWD ENTRY DOOR FLAPPER SEAL ASSY IAW 52--11-00-420-801.