Service difficulty report · Slat System · Boeing 7377H4

Difficulty date
March 1, 2023
Submitted
April 12, 2023
Operation
Air carrier
Aircraft
N443WN
Make and model
Boeing 7377H4
Aircraft serial
29838
Aircraft time
65,630 hours, 38,789 cycles
Part
Slat System
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

LOWER SKIN OF #7 SLAT APPEARS TO BE CRACKED AT FASTENER HOLE SS 322.26. 8-17<[01] FABRICATED AND INSTALLED DOUBLER AND FILLER AT LEADING EDGE SLAT #7 NOSE SKIN EXTERNAL SS 322.26 MATERIAL USED 7075T6.071 AND 7075T6.063 IN AS PER B 737-700 SRM 57-42-01-2R-8 FIG 202 SHEET 2

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