Service difficulty report · Panel · Boeing 7377H4

Difficulty date
January 3, 2023
Submitted
February 8, 2023
Operation
Air carrier
Aircraft
N209WN
Make and model
Boeing 7377H4
Aircraft serial
32484
Aircraft time
59,684 hours, 35,490 cycles
Part
Panel
Part number
NOTREPORTED
Condition
Pulled
Location
Zn 600 Right Win
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

R/W PANEL 661BB HAS PULLED FASTENER HOLE (MARKED)<[01] IDENTIFIED PANEL IAW SRM 57-51-01-0I-1 FIGURE 3 TABLE 3 ITEM 9<BR><BR>DAMAGE EXCEEDS ALLOWABLE DAMAGE LIMITS IAW SRM 57-51-01-1A-1 PAR.4 B(5)<BR><BR>DAMAGE TO BE REPAIRED IAW SRM 51-70-04-2R-9 AS DIRECTED BY SRM 57-51-01-2R-1 PAR.4 C TABLE 202<BR><BR>REMOVED DAMAGE FROM (52EA) FASTENER HOLES; ALL MEASURING 0.5' DIA; CLEANED; WITH NO CONTAMINATION NOTED IAW SRM 51-70-04-2R-9 PAR.4 A-C FIGURE 201;[02] VALIDATED APPLICABILITY OF DAMAGE TO BE REPAIRED IAW SRM 51-70-04-2R-9.;[03] VERIFIED CORRECTIVE ACTIONS 1 AND 2<BR><BR>VERIFIED MEASUREMENTS TABLE<BR><BR>VALIDATED REPAIR PER SRM 51-70-04-2R-9;[04] APPLIED SLURRY MIXTURE OF CHOPPED FIBERS AND LAMINATING RESIN BMS8-301 CL1 LOT#JH2EAA8895 TO FASTENER HOLES; AND SET TO CURE USING HOT BONDER ID: NCX000523 DUE:06/2023 IAW SRM 51-70-04-2R-9 PAR.4 D-F;[05] CURED SLURRY; SANDED FLUSH AND CLEANED REPAIR AREAS IAW SRM 51-70-04-2R-9 PARAGRAPH 4.G-I.;[06] UPON CURE OF SLURRY MIX; MULTIPLE DISBONDS WERE FOUND ON ENTIRE PANEL. A NEW PANEL WILL BE REQUIRED TO REPLACE THIS PANEL DUE TO A/C SCHEDULE. NEW PANEL WAS RECEIVED (P/N: 115A3721-14); AND ALL ATTACH HOLES WERE MATCH DRILLED USING TEMPLATE ALL IAW DRAWING 115A3721 SHEET 5 & DRAWING 115A7311 SHEET 7 ; AND SRM 51-20-07-0G-0 PARA'S 4 - 6.;[07] UPDATED PARTS REMOVAL INFO.;[08] APPLIED TOPCOAT TO THE TOOLSIDE OF THE PANEL IAW BOEING PL 115A3721-14;[09] PANEL REPLACED WITH NEW PANEL. JOB COMPLETE.

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