Service difficulty report · Panel · Boeing 7377H4

Difficulty date
June 13, 2021
Submitted
July 14, 2021
Operation
Air carrier
Aircraft
N226WN
Make and model
Boeing 7377H4
Aircraft serial
32494
Aircraft time
53,110 hours, 31,655 cycles
Part
Panel
Condition
Pulled
Location
Lt Wing Te
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

L/W T/E PANEL 561BB HAS SEVERAL PULLED FASTENER HOLES ; / [01] IDENTIFIED MATERIAL OF PANEL 561BB IAW SRM 57-51-01-0I-1 FIGURE 1 & 3; ITEM #9; TABLE 3<BR><BR>DAMAGE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-51-01-1A-1 TABLE 101; PARA 4.B(5)<BR><BR>REPAIR TO BE ACCOMPLISHED IAW SRM 51-70-04-2R-9 PER SRM 57-51-01-2R-1 PARA 4.B(2); 4.C(2) AND TABLE 202; [02] VALIDATED REPAIR TO T/E PANEL 561BB TO BE COMPLETED IAW SRM 51-70-04-2R-9 AS GIVEN IAW SRM 57-51-01-2R-1.; [03] VISUALLY EXAMINED EXTENT OF DAMAGE; TAP TESTED - DISBONDS NOTED; REMOVED DAMAGE BY UPSIZING FASTENER HOLES; LARGEST HOLE MEASURES 0.5' DIA; PREPPED AND CLEANED HOLES IAW SRM 51-70-04-2R-9 PARA 4.A-C; [04] VERIFIED;<BR><BR>IDENTIFIED MATERIAL OF PANEL 561BB IAW SRM 57-51-01-0I-1 FIGURE 1 & 3; ITEM #9; TABLE 3 <BR><BR>DAMAGE IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-51-01-1A-1 TABLE 101; PARA 4.B(5) <BR>VISUALLY EXAMINED EXTENT OF DAMAGE; TAP TESTED - DISBONDS NOTED; REMOVED DAMAGE BY UPSIZING FASTENER HOLES; LARGEST HOLE MEASURES 0.5' DIA; PREPPED AND CLEANED HOLES IAW SRM 51-70-04-2R-9 PARA 4.A-C <BR><BR>REPAIR TO BE ACCOMPLISHED IAW SRM 51-70-04-2R-9 PER SRM 57-51-01-2R-1 PARA 4.B(2); 4.C(2) AND TABLE 202; [06] HOT BONDER ID ATS532; S/N 15092117 (SLURRY CURE)<BR><BR>CURED SLURRY; SANDED SLURRY TO CONTOUR; CLEANED REPAIR AREA; FABRICATED REPAIR PLIES FROM BMS 9-3 (1581) LOT# 1458851-1; INSTALLED REPAIR PLIES WITH 9390 RESIN LOT# JH1CAA0868;

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