Service difficulty report · Slat · Boeing 73779P

Difficulty date
May 11, 2023
Submitted
June 21, 2023
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
58,307 hours, 37,562 cycles
Part
Slat
Part number
UNKNOWN
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 LOWER SURFACE SLAT 7 STATION 202.45. RT WING 2023-329997<[01] EDDY CURRENT EQUIPMENT P/N: NORTEC500D; S/N: N500X12101V022237; DUE DATE: 26-JAN-24.;[02] TOOL USED: EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220273012; DUE DATE: 17-DEC-23;[03] EVALUATED SLAT 7 AND FOUND OUT LIMITS DUE TO CRACK INDICATION WAS CONFIRMED ON FITTING IAW B737-700 SRM 57-42-01-1A-1. SLAT 7 MUST BE REPLACED; SEE FAULT TTG8Q00L4L2 TO REPLACED SLAT 7; SEE INDIVIDUAL SIGN OFF BELOW;[04] CORRECTED STEP 3.<BR>EVALUATED SLAT 7 AND FOUND OUT LIMITS DUE TO CRACK INDICATION WAS CONFIRMED ON FITTING IAW B737-700 SRM 57-42-01-1A-1. SLAT 7 MUST BE REPLACED; SEE FAULT TTG8Q00L4L2J TO REPLACED SLAT 7; SEE INDIVIDUAL SIGN OFF BELOW;[05] CERTIFIED WORK PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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