Service difficulty report · Door Frame · Boeing 7377H4

Difficulty date
August 5, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N449WN
Make and model
Boeing 7377H4
Aircraft serial
32469
Aircraft time
60,089 hours, 35,684 cycles
Part
Door Frame
Condition
Cracked
Location
R1 Door
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

R1 DOOR UPPER CORNER INTERNAL FRAME ASSY CRACKED ; / [01] REMOVED INTERNAL FRAME ASSY FROM R1 DOOR UPPER CORNER PER B737-700 SRM 51-40-02-0G-0; [02] LATE ENTRY : REMOVED STOP FITTING AND SEAL DEPRESSOR FROM R1 DOOR INTERNAL FRAME ASSY FOR ACCESS TO INTERNAL FRAME ASSY REMOVAL PER B737-700 SRM 51-40-02-0G-0; [03] VERIFIED WORK PERFORMED; [04] LOCATED AND DRILLED NEW R-1 DOOR UPPER FRAME ASSY P/N 141A8370U13 REF B737-7 SRM 51-40-05-0G-0 AND DWG #141A8370; [05] VERIFIED STEP #4; [06] OK TO TREAT AND PRIME HOLES; [07] TREATED AND PRIME HOES AT NEW R-1 DOOR UPPER FRAME REF B 737-7 SRM 51-20-01-0G-0; [08] VERIFIED TREAT AND PRIME HOLES; [09] OK TO INSTALL INTERNAL FRAME ASSY; [10] INSTALLED R-1 DOOR UPPER CORNER INTERNAL FRAME ASSY REF B737-7 SRM 51-40-02-0G-0 AND DWG #141A8370; [11] INSPECTED INSTALLATION OF R1 DOOR UPPER CORNER INTERNAL FRAME.; [12] OK TO INSTALL FWD UPPER DOOR STOP; [13] REINSTALLED R-1 DOOR UPPER FWD DOOR STOP RSF B737-7 SRM 51-40-02-0G-0 AND DWG#141A8370; [14] TOOL USED TORQUE WRENCH B/C 169684 DUE 10/23/21; [15] VERIFIED STEPS 13 AND 14.; [16] REMOVED AND REPLACED NEW R-1 DOOR UPPER CORNER INTERNAL FRAME ASSY P/N141A8370U13 REF B737-7 SRM 51-40-02-0G-0 AND DWG #141A8370; [17] VERIFIED INSTALLATION

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