Service difficulty report · Angle · Boeing 737

Difficulty date
January 30, 2022
Submitted
April 29, 2022
Operation
Air carrier
Aircraft
N484WN
Make and model
Boeing 737
Aircraft serial
33841
Aircraft time
58,722 hours, 34,857 cycles
Part
Angle
Condition
Cracked
Location
Ecs Bay
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

SUPPLEMENTAL INFORMATION: A125-03 - CRACK NOTED AT FASTENER - BS663; RBL08 - ECS BAY AFT BULKHEAD; UPPER ANGLE / [01] CUT AND REMOVED DAMAGE IAW SRM 57-10-10-2R-5 REPAIR 5;[02] PERFORMED DVI OF REPAIR AREA AND UNDERLYING STRUCTURE. NO DEFECTS NOTED IAW SRM 57-10-10-2R-5 REPAIR 5;[03] RECIEVED -1 REPLACEMENT ANGLE FROM BACKSHOP ON WORKORDER 43198-6000-0001. RECIEVED -2 SPLICE ANGLE FROM BACKSHOP ON WORKORDER 43198-6000-0002;[04] VERIFIED ITEMS 1-3;[05] COMPLETED NDT INSP FOR DAMAGE IN ALL OPENED FASTENER HOLES COMMON TO REPAIR AREA IAW 737 NDT M/M PART 6; 51-00-00; P-16; NO DEFECTS NOTED; TOOL: AAR 36303; DUE: 13 APR 22;[06] FABRICATED REPAIR PARTS IAW SRM 57-10-10-2R-5 REPAIR 5;[07] VERIFIED STEP 6 AND OK TO TREAT AND PRIME;[08] ALODINE TREATED AND PRIMED REPAIR PARTS AND CUT EDGES IAW SRM 57-10-10-2R-5 REPAIR 5;[09] VERIFIED ITEM 8; OK TO INSTALL;[10] INSTALLED REPAIR PARTS IAW SRM 57-10-10-2R-5 REPAIR 5. INSTALLED USING P/S 870 B2 ON ALL FAYING SURFACES. SEALANT MIXED ON 02 FEB 22 @ 0830 IAW SRM 57-10-10-2R-5 REPAIR 5;[11] VERIFIED STEP 10 AND OK TO CAP SEAL;[12] CAP SEALED AND FILLET SEALED REPAIR AND FASTENERS OUTSIDE OF FUEL TANK IAW SRM 57-10-10-2R-5 REPAIR 5;[13] VERIFIED STEP 12 AND OK TO CIC;[14] APPLIED CIC TO REPAIR AREA IAW SRM 57-10-10-2R-5 REPAIR 5;[15] VERIFIED STEP 14;[16] CAP SEALED FASTENERS INSIDE FUEL TANK USING 1776 B-2 MIXED AT 0600 IAW SRM 57-10-10-2R-5 REPAIR 5;[17] VERIFIED STEP 16