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 LEADING EDGE RIB ACCESS PANEL 331B LOCATED LE STA 78.29 AT LT HORIZONTAL STABILIZER. REPLACED LEADING EDGE RIB ACCESS PANEL 331B LOCATED LE STA 78.29 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-40-02 AND DRAWING 186A1301 SHEET 1 REV: A.

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