Service difficulty report · Access Panel · Boeing 7377H4

Difficulty date
May 8, 2026
Submitted
June 2, 2026
Operation
Air carrier
Aircraft
N477WN
Make and model
Boeing 7377H4
Aircraft serial
33988
Aircraft time
72,345 hours, 43,352 cycles
Part
Access Panel
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 BLADE ACCESS PANEL 333AT AT LT HORIZONTAL STAB. REPLACED BLADE ON ACCESS PANEL 333AT AT LT HORIZONTAL STAB. IAW SRM 51-40-02 AND DWG 186A3101 SHEET 13 REV.C DUE TO NOT FOUND ALLOWABLE DAMAGE ON SRM 55-10-01.

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