Service difficulty report · Slat · Boeing 7377H4

Difficulty date
March 25, 2022
Submitted
May 4, 2022
Operation
Air carrier
Aircraft
N427WN
Make and model
Boeing 7377H4
Aircraft serial
29831
Aircraft time
66,803 hours, 39,311 cycles
Part
Slat
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 SLAT 7 LEADING EDGE NOSE SKIN ACTUATOR RIB SLAT STATION 322.71 AT RT WING 2022-164953 / [01] TOOL USED EDDY CURRENT P/N: NORTEC 500D; S/N: N500X12101V022236; DUE DATE: 02-JUN-22.;[02] PERFORMED PERMANENT REPAIR LOCATED SLAT 7 LEADING EDGE NOSE SKIN ACTUATOR RIB SLAT STATION 322.71 AT RT WING IAW B737-700 SRM 57-42-01-2R-8; REPAIR 8 FIG 202; TABLE 203. TOOL USED CALIPER P/N: 500-196-30; S/N A20230758 DUE DATE: 13AUG22 AND RADIUS GAUGE P/N: S167C S/N: AE-28533 AND DUE DATE 14-JUL-22. MATERIAL USED ALUMINUM SHEET 7075-T6 0.071 PO# 2021 203781; ALUMINUM SHEET 7075-T6-0.063 PO# 2022 104387. SEE INDIVIDUAL SIGNOFFS BELOW;[03] PERFORMED PERMANENT REPAIR LOCATED SLAT 7 LEADING EDGE NOSE SKIN ACTUATOR RIB SLAT STATION 322.71 AT RT WING IAW B737-700 SRM 57-42-01-2R-8; REPAIR 8 FIG 202; TABLE 203. TOOL USED CALIPER P/N: 500-196-30; S/N A20230758 DUE DATE: 13AUG22 AND RADIUS GAUGE P/N: S167C S/N: AE-28533 AND DUE DATE 14-JUL-22. MATERIAL USED ALUMINUM SHEET 7075-T6 0.071 PO# 2021 203781; ALUMINUM SHEET 7075-T6-0.063 PO# 2022 104387. SEE INDIVIDUAL SIGNOFFS BELOW. CERTIFIED RII;[04] PERFORMED PERMANENT REPAIR LOCATED SLAT 7 LEADING EDGE NOSE SKIN ACTUATOR RIB SLAT STATION 322.71 AT RT WING IAW B737-700 SRM 57-42-01-2R-8; REPAIR 8 FIG 202; TABLE 203.

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