Service difficulty report · Panel · Boeing 7377H4

Difficulty date
June 15, 2022
Submitted
July 14, 2022
Operation
Air carrier
Aircraft
N488WN
Make and model
Boeing 7377H4
Aircraft serial
33853
Aircraft time
59,468 hours, 35,169 cycles
Part
Panel
Condition
Delaminated
Location
R/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

PANEL 621SB PREVIOUS REPAIR IS DELAMINATED ON OUTER SURFACE / [01] IDENTIFIED PANEL 621SB IAW SRM 57-41-01-0I-4 FIGURE 3; TABLE 3; ITEM 1. DAMAGE IS BEYOND ALLOWABLE LIMITS IAW SRM 57-41-01-1A-1 PARA 4. A. (5). (A) - (B). DAMAGE TO BE REPAIRED IAW SRM 51-70-05-2R-6 AS DIRECTED BY SRM 57-41-01-2R-1 PARA 4. B. (2) TABLE 202.<BR><BR>REMOVED ENTIRE PREVIOUS REPAIR ON OUTER SURFACE FWD. O/B CORNER AND TAPER SANDED REPAIR AREA WITH NO CONTAMINATION OR WATER NOTED. ALL IAW SRM 51-70-05-2R-6 PARA 4. A. - D.;[02] CERTIFIED CORRECTIVE ACTION 1 AND VALIDATED REPAIR PER SRM 51-70-05-2R-6;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2 VALIDATED REPAIR PER SRM 51-70-05-2R-6;[04] FABRICATED AND INSTALLED REPAIR PLIES USING REPAIR FABRICS BMS 8-139 ST 1581 LOT#1492620-1; BMS 8-139 ST 120 LOT#1486226-1 AND ADHESIVE FILM BMS 5-154 GR 05 LOT#1493149-1. ALL IAW SRM 51-70-05-2R-6 PARA 4. E.;

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