Service difficulty report · Doubler · Boeing 7377H4

Difficulty date
September 26, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N253WN
Make and model
Boeing 7377H4
Aircraft serial
32511
Aircraft time
56,771 hours, 34,020 cycles
Part
Doubler
Part number
UNKNOWN
Condition
Missing
Location
Zn 100 Fus Lower
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

EXTERNAL POWER DOOR CUTOUT AFT FLANGE REPAIR DOUBLER IS MISSIG LOWER SECTION<[01] UPDATED MEASUREMENTS;[02] MATIERAL VERIFICATION FOR .040IN 2024-T3 CLAD SHEET ATAG: A20832 IAW SRM 53-10-15-2R-4-A00964 (REPAIR 4 - ELECTRICAL GROUND POWER RECEPTACLE SURROUND DOUBLER - PERMANENT);[03] VERIFIED STEP 2;[04] CUT; SHAPED; AND DRILLED REPLACEMENT FILLER IAW SRM 53-10-15-2R-4-A00964 (REPAIR 4 - ELECTRICAL GROUND POWER RECEPTACLE SURROUND DOUBLER - PERMANENT).;[05] VERIFIED STEP 4;[06] OK TO TREAT AND PRIME;[07] TREATED AND PRIMED REPLACEMENT FILLER IAW SRM 53-10-15-2R-4;[08] VERIFIED ITEM 7<BR>OK TO INSTALL;[09] INSTALLED FABRICATED FILLER/DOUBLER TO REPLACE REPAIR DOUBLER THAT WAS MISSING LOWER SECTION IAW SRM 53-10-15-2R-4;[10] VERIFIED ITEM 9;[11] AUDIT C/W

More about the Boeing 737-7H4