Service difficulty report · Slat · Boeing 7377H4

Difficulty date
June 23, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N446WN
Make and model
Boeing 7377H4
Aircraft serial
29842
Aircraft time
63,739 hours, 37,814 cycles
Part
Slat
Part number
UNKNOWN
Condition
Cracked
Location
Zn 500 Left 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 LOWER SURFACE OF THE LEADING EDGE SLAT NOSE SKIN AT ACTUATOR RIB SLAT STATION 322.71 SLAT 2 AT LT WING 2023-412899<[01] TOOL USED: ET EQUIPMENT P/N: NORTEC 500D; S/N: N500X12101V022233; DUE DATE: 30-AUG-23;[02] EVALUATED SLAT 2 AND FOUND OUT LIMITS DUE TO CRACK INDICATION WAS CONFIRMED ON FITTING AND SKIN IAW B737-700 SRM 57-42-01-1A-1. SLAT 2 MUST BE REPLACED; SEE FAULT TTG8Q00LXHGF TO REPLACED SLAT 2; SEE INDIVIDUAL SIGN OFF BELOW;[03] EVALUATED SLAT 2 AND FOUND OUT LIMITS DUE TO CRACK INDICATION WAS CONFIRMED ON FITTING AND SKIN IAW B737-700 SRM 57-42-01-1A-1. SLAT 2 MUST BE REPLACED; SEE FAULT TTG8Q00LXHGF TO REPLACED SLAT 2; SEE INDIVIDUAL SIGN OFF BELOW

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