Service difficulty report · Skin · Boeing 7377CT

Difficulty date
February 1, 2023
Submitted
March 20, 2023
Operation
Air carrier
Aircraft
N566WN
Make and model
Boeing 7377CT
Aircraft serial
32753
Aircraft time
67,249 hours, 34,782 cycles
Part
Skin
Condition
Cracked
Location
Zn 600 Right Win
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 EXTERNAL SKIN SLAT 8 AROUND THE FASTENERS THAT ATTACH THE ACTUATOR FITTING AT SLAT STATION 451.97 AT RT WING 2023-105954<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR P/N: NORTEC 600D; S/N210138203; DUE DATE: 11-APR-23;[02] EVALUATED SLAT 8 OUT LIMITS; CRACK INDICATION WAS CONFIRMED ON FITTING AND NOT FOUND ALLOWABLE DAMAGE LIMITS FOR CRACK ON FITTING IAW B737-700 SRM 57-42-01-1A-1; SLAT 8 MUST BE REPLACED; SEE FAULT TTG8Q00J54Y8 TO REPLACED SLAT 8; SEE INDIVIDUAL SIGNOFF BELOW;[03] CERTIFIED WORK PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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