Service difficulty report · Latch · Boeing 757*

Difficulty date
March 21, 2022
Submitted
March 21, 2022
Operation
Air carrier
Aircraft
N56859
Make and model
Boeing 757*
Aircraft serial
32818
Aircraft time
53,566 hours, 17,034 cycles
Part
Latch
Part number
NA
Condition
Faulty
Location
Cockpit Door
Stage of operation
UK
How discovered
O
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

DOOR LATCH MECHANISM WILL NOT HOLD DOOR SHUT IN MANUAL MODE I E WITH PIN ENGAGING FAR ENOUGH INTO DOOR JAMB. SUGGEST SHIMMING DOOR HINGES TO ELIMINATE LATCHING AND INTERMITTENT INDICATION ISSUES. LOCKING ITEM DUE TO RETURN TO FIELD. WORK IN CONJUNCTION WITH UNLOCKING FOR UPDATE. LOCKING LOG PAGE FOR FIX FUP L/P 8183020. WILL REQUIRE POSITIVE FIND AND FIX. UNABLE TO CONTINUE WITH MEL DUE TO HISTORY OF DOOR NOT SECURING MANUALLY. VERIFIED BLUE BUTTON ON DOOR LOCK PIN DOES NOT EXTEND DUE TO PIN NOT BEING FULLY INSERTED. ADJUSTED JAMB AFT TO ALLOW FULL PIN ENGAGEMENT AND VERIFIED BLUE BUTTON ON DOOR LOCK PIN NOW EXTENDS. HOWEVER, DOOR WILL STILL OPEN DUE TO LATCH NOT CLEARING ITEM OK WITH TOMC ADJUSTED SHIMS ON DOOR HINGES TO ACHIEVE MINIMUM GAP AT UPPER AND LOWER DOOR TO FRAME WHICH REDUCED GAP AT STIKER TO LATCH. NOW DOOR OPEN LIGHT STAYS OFF WHEN DOOR IS CLOSED AND DOOR IS SECURE. REF. FUP 8183020 ADD EMP:U372001