Service difficulty report · Skin · Boeing 7377H4

Difficulty date
May 26, 2026
Submitted
June 24, 2026
Operation
Air carrier
Aircraft
N476WN
Make and model
Boeing 7377H4
Aircraft serial
32475
Aircraft time
72,452 hours, 43,545 cycles
Part
Skin
Condition
Cracked
Location
Zone 600 Slat
Stage of operation
IN
How discovered
V
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 AROUND FASTENER LOWER SURFACE LEADING EDGE SLAT NOSE SKIN AT THE ACTUATOR FITTING SLAT 6 AT RT WING. EVALUATED LOWER SURFACE LEADING EDGE SLAT NOSE SKIN AT THE ACTUATOR FITTING SLAT 6 (SLAT STATION 202.45) AT RT WING AND FOUND OUT LIMITS DUE TO CRACK IS LOCATED IN THE AREA NOSE BEAM. IAW SRM 57-42-01-1A-1 ALLOWABLE DAMAGE 1. STEP 4.A(1); FIGURE 105; DETAIL A. SLAT 6. REPLACEMENT AND PART REQUIREMENT TRANSACTION OF THE SLAT 6 IS ACCOMPLISEHED ON FAULT [TTG8Q01CFLAH].

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