Service difficulty report · Skin · Boeing 7377H4

Difficulty date
April 12, 2022
Submitted
May 13, 2022
Operation
Air carrier
Aircraft
N467WN
Make and model
Boeing 7377H4
Aircraft serial
33830
Aircraft time
60,732 hours, 35,930 cycles
Part
Skin
Condition
Cracked
Location
Lh Wing Slat
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 3 LEADING EDGE SLAT NOSE SKIN AT SS 202.45 LT WING 2022-204268 / [01] ET TOOL USED: PN: PHASED 3D; SN: CZ1026 /09; DUE DATE: 08-SEP -22;[02] ET TOOL USED: PN: PHASED 3D; SN: CZ1026 /09; DUE DATE: 08-SEP -22;[03] TOOL USED PN: NORTEC 600D; SN: 210136503; CAL DUE DATE: 11-APR-23;[04] PERFORMED PERMANENT REPAIR LOC. LOWER SURFACE SLAT 3 LEADING EDGE SLAT NOSE SKIN AT SS 202.45 LT WING I.A.W B737-700 SRM 57-42-01-2R-8; REPAIR 8 FIG 202; TABLE 203. TOOL USED CALIPER P/N: 500-197-30; S/N: A18109059; DUE DATE: 05-AUG-22 AND RADIUS GAUGE P/N: 2204A3; S/N: AE-408659; DUE DATE: 14-FEB-23. MATERIAL USED ALUMINUM SHEET 7075-T6 0.071 PO# 2021-189588; ALUMINUM SHEET 7075-T6-0.063 PO# 2021-194451. SEE INDIVIDUAL SIGNOFFS BELOW;[05] CERTIFIED RII MAJOR REPAIR PERFORMED. <BR>SEE INDIVIDUAL SIGNOFFS BELOW.

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