Service difficulty report · Panel · Boeing 737

Difficulty date
September 8, 2021
Submitted
April 29, 2022
Operation
Air carrier
Aircraft
N760SW
Make and model
Boeing 737
Aircraft serial
27874
Aircraft time
73,521 hours, 43,731 cycles
Part
Panel
Part number
661CB
Condition
Cracked
Location
Rh 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

SUPPLEMENTAL INFORMATION: CRACK ACCESS PANEL 661CB TRAILING EDGE AROUND HOLES RT WING ; 2021-417656 / EVALUATED ACCESS PANEL 661CB TRAILING EDGE AT RT WING AND FOUND WITHIN LIMITS TO REPAIR AS PER B737-700 SRM 57-41-01-2R-1 REPAIR 1 PARA 2.B ITEM (2) AND SRM 51-70-04-2R-9 REPAIR 9 DAMAGE FASTENER HOLE 1) L=0.43 IN W=0.28 IN; 2) L=0.46 IN W=0.31 IN; 3) L=0.48 IN W=0.34 IN; 4) L=0.49 IN W=0.33 IN; 5) L=0.47 IN W=0.39 IN; 6) L=0.48 IN W=0.4 IN; 7) L=0.42 IN W=0.35 IN; 8) L=0.49 IN W=0.38 IN; 9) L=0.47 IN W=0.35 IN TOOL USED CALIPER P/N: 500-197-30 S/N: 15121550 DUE DATE 03-AUG-22 REMOVED DAMAGE AND PREPARED THE REPAIR AREA AS PER B737-700 SRM 51-70-04-2R-9 REPAIR 9 PARA.4.A TO C AND B737-700 SRM 51-70-04-2R-0 REPAIR GENERAL PARA.4.D;E;] INSTALLED THE REPAIR PLIES ON REPAIR AREA OF ACCES PANEL 661CB AS PER B737-700 SRM 51-70-04-2R-9 REPAIR 9 PARA. 4(J) TO (L) AND SRM 51-70-04-2R-0 REPAIR GENERAL PARA. 4(L) AND (M). MATERIAL USED: ADHESIVE P/N: EA9390AB; P/O: 2021-180215/001. TOOL USED: SCALE P/N: SCA-301; S/N: AE-412120; DUE DATE: 24-FEB-22 COMPLETED; [18] CURED; DRILLED; COUNTERSUNK FASTENER HOLES AND PERFORMED POST REPAIR INSPECTION AND FOUND SATISFACTORY AS PER B737-700 SRM 51-70-04-2R-9 REPAIR 9 PARAGRAPH 4.M TO O. TOOL USED: HOT BONDER P/N HCS9200B S/N 18175478 DUE DATE: 05-AUG-22; .REPAIRED ACCESS PANEL 661CB AT RT WING IAW B737-7,NG,NRC,2021-10-04 21:10:27,22Y,N,MX,0,0,,CRACK ACCESS PANEL 661CB TRAILING EDGE AROUND HOLES RT WING ; 2021-417656"