Service difficulty report · Angle · Boeing 7378H4

Difficulty date
December 9, 2021
Submitted
December 22, 2021
Operation
Air carrier
Aircraft
N8673F
Make and model
Boeing 7378H4
Aircraft serial
36937
Aircraft time
20,472 hours, 9,411 cycles
Part
Angle
Condition
Out Of Tolerance
Location
Fuselage
Stage of operation
UK
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

FWD PIT LH ZEE ANGLE STA. 500H THRU 500I WAS FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 AND REQUIRES REPAIR. ; / [01] REF. FAULT TTG8Q009PLKJ STEP 3. ?UT IAW B737 NDT PART 4 51-00-00 PROCEDURE 2. ORIGINAL .040'; REMAINING AT STA 500H+17 IS .029'; .011' LOSS. ALL OTHER BLENDS HAVE .036' REMAINING; .004' LOSS. TOOL# 40084 DUE 11AUG22?.; [02] STA 500H+17 THRU 500I IS FOUND TO BE OUT OF LIMITS. ORIGINAL T= .040'; LOSS OF .011' REMAINGING T= .029 IAW SRM 53-00-53-1A-2; [03] CUT AND REMOVED SECTION OF LH ZEE ANGLE BS 500G+12 THRU 500I IAW SRM 53-00-53-2R-5; SRM 51-40-02-0G-0; [04] VERIFIED REPAIR MATERIAL AS BAC1496-444 7075-T6 ATAG A18194 IAW SRM 53-00-53-2R-5 TABLE 201; [05] VERIFIED STEPS 1 THRU 4 C/W; [06] BEGAN FABRICATION OF REPAIR PARTS IAW SRM 53-00-53-2R-5; [07] COMPLETED FABRICATION OF ZEE ANGLE REPAIR IAW SRM 53-00-53-2R-5; [08] VERIFIED STEP 6 AND 7<BR>OK TO TREAT AND PRIME; [09] TREATED AND PRIMED REPAIR PARTS IAW AMM 51-21-41; AMM 51-21-99; [10] VERIFIED STEP 9; [11] OK TO INSTALL FABRICATED ZEE ANGLE REPAIR; [12] INSTALLED LH ZEE ANGLE BS 500G+12 THRU 500I IAW SRM 53-00-53-2R-5; BOEING DWG 143A7500 REV-. SHT 83.; [13] ALL STEPS C/W; [14] ALL WORK C/W; [15] AUDIT C/W

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