Service difficulty report · Angle · Boeing 7378H4

Difficulty date
February 16, 2022
Submitted
March 16, 2022
Operation
Air carrier
Aircraft
N8679A
Make and model
Boeing 7378H4
Aircraft serial
36932
Aircraft time
20,424 hours, 9,421 cycles
Part
Angle
Condition
Cracked
Location
Pack 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

LEFT HAND PACK BAY; HORIZONTAL ANGLE COMMON TO LOWER SIDE OF CENTER FUEL TANK AT STATION 663 LBL 10 IS CRACKED 3RD FASTENER OUTBOARD OF KEEL BEAM VERTICAL ANGLE. MARKED. / [01] VERIFIED -1 REPLACEMENT ANGLE FABRICATED ON BACK SHOP W/O 43216-5100-0001 AND -2 SPLICE ANGLE FABRICATED ON BACK SHOP W/O 43216-5100-0002 IAW SRM 57-10-10-2R-5;REMOVED DAMAGED SECTION OF ANGLE LBL 6-17 IAW SRM 57-10-10-2R-5;[04] PERFORMED DETAILED INSPECTION OF REPAIR AREA AND UNDERLYING STRUCTURE; NO DEFECTS NOTED IAW SRM 57-10-10-2R-5;[05] VERIFIED ITEMS 3 AND 4; COMPLETED FABRICATION OF REPAIR PARTS IAW SRM 57-10-10-2R-5; TREATED AND PRIMED REPAIR PARTS AND BARE SURFACES IN REPAIR AREA IAW SRM 57-10-10-2R-5;[13] VERIFIED ITEM 12;[14] VERIFIED STEPS 12 AND 14;[15] ABOVE STEP SHOULD BE VERIFIED STEPS 12 AND 13;[16] OK GIVEN TO INSTALL REPAIR PARTS;[17] COMPLETED INSTALLATION OF REPAIR AND PERFORMED BOND CHECK; BOND CHECK GOOD IAW SRM 57-10-10-2R-5<BR>TOOL# 20429 CAL. DUE: 11/01/2022 APPLIED CAP SEAL TO ALL TANK FASTENERS INTERNAL AND EXTERNAL SURFACES AND APPLIED FILLET SEAL TO REPAIR PARTS IAW SRM 57-10-10-2R-5 APPLIED CIC TO REPAIR PARTS AND DISTURBED SURFACES IN REPAIR AREA IAW SRM 57-10-10-2R-5;[24] CUT OUT DAMAGED SECTION OF LH PACK BAY HORIZONTAL ANGLE COMMON TO LOWER SIDE OF CENTER FUEL TANK STA 663 LBL 6-17 AND SPLICED IN ANGLE REPAIR IAW SRM 57-10-10-2R-5;

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