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 500 Left 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 551CB HAS SEVERAL PULLED FASTENER HOLE ON AFT END (MARKED) PANEL FOUND TO BE 561CB NOT 551CB< 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: ATS2802 DUE:10/2023 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.F-I.;[06] FABRICATED AND INSTALLED REPAIR PLIES USING BMS9-3 ST1581 LOT#1513216-1 AND BMS8-301 CL1 LOT#JH2EAA8895; VACUUM BAGGED; LEAK CHECKED GOOD USING VACUUM GAUGE ID: ATS2802 DUE:10/2023; AND SET TO CURE USING HOT BONDER ID:ATS2802 DUE:10/2023 IAW SRM 51-70-04-2R-9 PAR.4 J-M;[07] CURED PLIES UNBAGGED AND LIGHTLY SANDED IAW SRM 51-70-04-2R-9 PARAGRAPH 4.M AND P. LOCATED; AND RESTORED FASTENER HOLES; APPLIED; CURED; AND TESTED CONDUCTIVE COATING LOT#S22K036; RESISTIVITY CHECKED GOOD USING MULTIMETER ID: ATS1658 DUE:03/2023; AND APPLIED FINAL FINISH TO INNER SURFACE OF PANEL IAW SRM 51-70-04-2R-9 PAR.4 N & P;[12] APPLIED PRIMER AND FINISH TO PANEL TOOLSIDE IAW AMM 51-21-99-300-802 PAR. 3.C.(1)(B)-(E) AS DIRECTED BY SRM 51-70-04-2R-9 PAR. 4.P.<BR><BR>FASTENER HOLE DAMAGE HAS BEEN REPAIRED IAW SRM 51-70-04-2R-9;[13] VERIFIED CORRECTIVE ACTION ITEM 11-12 ND MEASUREMENT FIELDS; CARD COMPLETE.

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