Service difficulty report · Panel · Boeing 7377H4

Difficulty date
September 8, 2021
Submitted
October 11, 2021
Operation
Air carrier
Aircraft
N760SW
Make and model
Boeing 7377H4
Aircraft serial
27874
Aircraft time
73,521 hours, 43,731 cycles
Part
Panel
Part number
561CB
Condition
Cracked
Location
Lh 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

CRACK ACCESS PANEL 561CB AROUND HOLES AT LT WING ; 2021-417654 / [01] EVALUATED ACCESS PANEL 561CB AT LT 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=0.36 IN W=0.25 IN; 2) L=0.44 IN W=0.28 IN; 3) L=0.34 IN W=0.26 IN; 4) L=0.48 IN W=0.34 IN; 5) L=0.42 IN W=0.3 IN; 6) L=0.45 IN W=0.29 IN; 7) L=0.44 IN W=0.33 IN; 8) L=0.42 IN W=0.34 IN; 9) L=0.43 IN W=0.37 IN TOOL USED CALIPER P/N: 500-197-30 S/N: 15121550 DUE DATE 03-AUG-22; [02] STEP 1 COMPLETED; [03] 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

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