Service difficulty report · Panel · Boeing 7377Q8

Difficulty date
May 8, 2022
Submitted
June 8, 2022
Operation
Air carrier
Aircraft
N7875A
Make and model
Boeing 7377Q8
Aircraft serial
29354
Aircraft time
50,797 hours, 27,672 cycles
Part
Panel
Condition
Pulled
Location
L/H 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

L/W T/E PANEL 561BB HAS SEVERAL PULLED FASTENER HOLES (MARKED) / [01] IDENTIFIED PART AND MATERIAL IAW SRM 57-51-01-0I-1 FIGURES 1+3; TABLE 3; ITEM[9].<BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 57-51-01-1A-1 PAR 4.B (5) (B).<BR>PERMANENT REPAIR WILL BE ACCOMPLISHED IAW SRM 51-70-04-2R-9 AS DIRECTED PER SRM 57-51-01-2R-1 PAR 4.B (2) AND TABLE 202.;[02] VALIDATED APPLICABILITY OF SRM 51-70-04-2R-9.;[03] DETERMINED EXTENT OF DAMAGE VIA VISUAL METHOD.<BR>REMOVED DAMAGED AND CONTAMINATED FIBERGLASS PLIES FROM DISCREPANT FASTENER HOLES. PREPARED AND CLEANED REPAIR AREA FOR REPAIR.<BR>WORK ACCOMPLISHED IAW SRM 51-70-04-2R-9 PAR 4.A-C.;[04] VERIFIED CORRECTIVE ACTION 1-3;[05] APPLIED RESIN SLURRY MIX USING CHOPPED GLASS FIBERS AND LAMINATING RESIN BMS 8-301 CL1 LOT# JH1GAA7833 IAW SRM 51-70-04-2R-9 PARA 4.D & 4.E. REQUIRES CURE.;[06] CURED ALL SLURRIED FASTENER HOLES PER SRM 51-70-04-2R-9 PARA 4.F. USING THERMOMETER ID: ATS2192 DUE 07/2022.;[07] SANDED SLURRY MIX FLUSH TO SURROUNDING SKIN; REMOVED FINISH IN REPAIR AREA ; AND CLEANED ALL IAW SRM 51-70-04-2R-9 PARA'S 4.G - 4.I.;[08] VERIFIED CORRECTIVE ACTION ITEMS 5 - 7.;[09] FABRICATED REPAIR PLIES AND INSTALLED USING BMS9-3 LOT# 1491986-1 AND RESIN BMS8-301 CL1 LOT# JH1GAA7833. VACUUM BAGGED REPAIR AND LEAK CHECKED GOOD USING VACUUM GAUGE ID: E11543 CAL DUE 08/22 IAW SRM 51-70-04-2R-9 PARAGRAPH 4.J-L.;

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