Service difficulty report · Panel · Boeing 7377H4

Difficulty date
August 22, 2021
Submitted
April 27, 2022
Operation
Air carrier
Aircraft
N415WN
Make and model
Boeing 7377H4
Aircraft serial
29836
Aircraft time
66,271 hours, 39,040 cycles
Part
Panel
Part number
621YB
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

CRACK ACCESS PANEL 621YB LEADING EDGE AT RT WING ; 2021-369509 / [01] EVALUATED ACCESS PANEL 621YB LEADING EDGE AT RT WING AND FOUND WITHIN LIMITS TO REPAIR IAW B737-700 SRM 57-41-01-2R-1 REPAIR 1 TABLE 202 PARA 4.D CRACK DAMAGE SIZE L=0.48 W=0.16 TOOL USED CALIPER P/N: 500-197-30 S/N: 15121570 DUE DATE: 01/AUG/22; [02] STEP 1 COMPLETED; [03] REMOVED DAMAGED SKIN AND PREPARED REPAIR AREA ON ACCESS PANEL 621YB AS PER B737-700 SRM 51-70-04-2R-10 REPAIR 10 PARAGRAPH 4.B AND C.; [04] REMOVED EDGE STRIP (1EA) FROM ACCESS PANEL 621YB AS PER B737-700 SRM 57-41-01-2R-6 REPAIR 6 PARAGRAPH 4.B; [05] STEPS 3 AND 4 COMPLETED; REPAIRED ACCESS PANEL 621YB LEADI,NG,NRC,2021-09-18 02:28:06,20Y,N,MX,0,0,,CRACK ACCESS PANEL 621YB LEADING EDGE AT RT WING ; 2021-369509"

More about the Boeing 737-7H4