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
Cracked
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

RT WING L/E PANEL 621PB IS CRACKED AT I/B FWD CORNER (MARKED)<BEGAN FABRICATING REPAIR PLIES USING REPAIR FABRIC BMS 8-79 CL3 ST1581 LOT# 1510611-1; BMS 8-79 CL3 ST120 LOT# 1513772-2; AND ADHESIVE FILM BMS 5-129 TY2 GR05 LOT# 1510001-1 IAW SRM 51-70-05-2R-6 PARA 4. E. AS GIVEN IN SRM 57-41-01-2R-1 TABLE 202 AND PARA 4. E.;[07] FINISHED FABRICATING REPAIR PLIES; INSTALLED REPAIR PLIES; VACUUM BAGGED; LEAK CHECK GOOD USING VACUUM GAUGE ID: ATS2729 DUE: 10/23 AND SET TO CURE REPAIR PLIES USING HOT BONDER ID: ATS883 DUE: 10/23 IAW SRM 51-70-05-2R-6 PARA 4.E-G.;[08] VERIFIED CURE WAS COMPLETE. REMOVED VACUUM BAG; LIGHTLY SANDED REPAIR AND TRIMMED EDGES TO PREP FOR NDT. ALL IAW SRM 51-70-05-2R-6 PARA 4. G. AND GENERAL SRM 51-70-05-2R-0 PARA 4. O. (1)FABRICATED FOIL REPAIR PLY USING BMS 8-289 LOT# 1507307-1. INSTALLED FOIL PLY USING BMS 5-128 LOT# JH2FAL7046; VACUUM BAGGED; LEAK CHECK GOOD USING VACUUM GAUGE ID: ATS2798 DUE: 10/23; CURED FOIL USING HEAT LAMP AND THERMOMETER ID: ATS2209 DUE: 10/23. UNBAGGED FOIL; TRIMMED EXCESS MATERIAL AND REFINISHED PANELS TOOLSIDE IAW SRM 51-70-14-2R-3 PARA 4.A(3.4);(5(A)) AND (11).<BR>INSTALLED 2EA BACKUP PLATE IAW SRM 51-40-02-OG-0 PARA 4.A-C AND BDWG 116A9110-5.;[13] NOTE: PANEL HAS 1 FASTENER HOLE THAT NEEDS TO BE LOCATED/DRILLED FOLLOWING REPAIRS.;[14] LOCATED; DRILLED; AND COUNTERSUNK MISSING HOLE USING TEMPLATE OFF A/C AND IAW SRM 51-20-07-0G-0 PARA 4.A- 4.B; & PARA 6.'BDWG 116A9110-5' SHOULD READ 'BDWG 116A9110 SHEET 5

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