Service difficulty report · Angle · Boeing 7377H4

Difficulty date
March 29, 2022
Submitted
April 11, 2022
Operation
Air carrier
Aircraft
N497WN
Make and model
Boeing 7377H4
Aircraft serial
32479
Aircraft time
58,669 hours, 34,690 cycles
Part
Angle
Condition
Cracked
Location
Center Wing
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

CRACK FOUND IN A/C BAY ON UPPER ATTACH ANGLE AT 663 LBL 8 / [01] REMOVED ALL FASTENERS AND TRIMMED OUT DAMAGED SECTION OF ATTACH ANGLE IAW SRM 57-10-10-2R-5;14] INSTALLED REPAIR PARTS WITH PERMANENT FASTENERS IAW B737 SRM 57-10-10-2R-5;[15] VERIFIED ITEM 14; OK TO CAP SEAL FASTENERS;[16] PERFORMED ELECTRICAL RESISTANCE CHECK OF THE ELECTRICAL BONDING FASTENERS; BOND CHECK GOOD IAW SRM 57-10-10-2R-5<BR>TOOL# 30318 CAL. DUE: 10/27/2022;[17] VERIFIED ITEM 16;[18] APPLIED CAP SEAL AND FILLET SEAL TO ALL EXTERNAL SURFACES AS REQUIRED IAW SRM 57-10-10-2R-5;[19] APPLIED CIC TO REPAIR PARTS AND DISTURBED SURFACES IN REPAIR AREA IAW SRM 57-10-10-2R-5;[20] FUEL TANK FASTENERS REQUIRE INTERNAL CAP SEAL;[21] VERIFIED STEPS 18-20;[22] APPLIED INTERNAL CAP SEAL TO FUEL TANK FASTENERS IAW SRM 57-10-10-2R-5;[23] VERIFIED STEP 22 IS COMPLETE;[24] VERIFIED STEP 22;[25] OK TO INSTALL VERTICAL SEAT TRACK STIFFENER;[26] STEP 25 ENTERED IN ERROR;[27] PERFORMED LEAK CHECK OF CENTER TANK; NO LEAKS DETECTED IAW AMM 28-11-00-790-801

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