Service difficulty report · Skin · Boeing 7377H4

Difficulty date
June 26, 2026
Submitted
July 25, 2026
Operation
Air carrier
Aircraft
N485WN
Make and model
Boeing 7377H4
Aircraft serial
32473
Aircraft time
71,955 hours, 43,342 cycles
Part
Skin
Condition
Cracked
Location
Zone 300
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 INDICATION FOUND ON LT HORIZONTAL STAB LOWER SKIN PANEL LOCATED AT STAB STA 193.9 RIB AND 9 INCHES FROM FRONT SPAR INBD SIDE OF RIB. CRACK LENGTH: 0.900 INCH APPROX. PERFORMED CATEGORY B REPAIR ON LOWER SKIN OF HORIZONTAL STAB LT LOCATED STAB STA 193.9 RIB AND 9 INCHES FROM FRONT SPAR IAW SRM 55-10-01-2R-11 FIGURE 204 SHEET 2 .

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