Service difficulty report · Panel · Boeing 73773V

Difficulty date
July 30, 2021
Submitted
September 3, 2021
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
57,802 hours, 35,522 cycles
Part
Panel
Part number
621PB
Condition
Damaged
Location
Rt 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

RT WING L/E PANEL 621PB HAS ELONGATED HOLE (MARKED) ; / FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 57-41-01-1A-1 PARA 4A(6).REMOVED DAMAGE; TAPER SANDED; AND CLEANED REPAIR AREAS IAW SRM 51-70-05-2R-8 PARA A-D WITH NO CONTAMINATION NOTED.; [04] VERIFIED STEPS 1-3; [05] BAGAN PLY FABRICATION USING BMS 5-129 GR5 LOT #1461506-1;BMS8-79 STY 1581 LOT#1462650-1 AND BMS8-79 STY 120 LOT#1462652-1; IAW SRM 51-70-05-2R-8 PARA 4.E.COMPLETED PLY FABRICATION OF ALL (7EA) AREAS USING BMS 8-79 ST 120 LOT# 1462652-1; BMS 8-79 ST 1581 LOT# 1462650-1; AND ADHESIVE FILM BMS 5-129 TY 2 GR 5 LOT# 1461506-1; AND INSTALLED REPAIR PLIES IAW SRM 51-70-05-2R-8 PARA 4E. COMPACTED REPAIR PLIES USING COMPACTION BAGGING METHOD IAW SRM 51-70-05-2R-0 PARA 4.K(5)(E).; [07] REMOVED COMPACTION BAG; VACUUM BAGGED PANEL; CHECKED FOR LEAKS; CURED REPAIR PLIES USING HEATCON HOTBONDER ID:NCX000526 S/N:120512216; UNBAGGED; LIGHTLY SANDED; AND CLEANED IAW SRM 51-70-05-2R-8 PAR 4F;G;I;J.; [08] VERIFIED ACCOMPLISHMENT OF REPAIR STEPS IN STEPS 5;6 AND 7 PER SRM CURED FOIL USING HEATCON HOTBONDER ID:IS000678 S/N:12071586; COMPLETED SRM REPAIRS 51-70-05-2R-8 AND 51-70-14-2R-3.

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