Service difficulty report · Rib · Boeing 7377H4

Difficulty date
October 24, 2020
Submitted
June 18, 2021
Operation
Air carrier
Aircraft
N403WN
Make and model
Boeing 7377H4
Aircraft serial
29815
Aircraft time
67,398 hours, 39,889 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
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

CRACK LEADING EDGE RIB ACCESS PANEL 331B LOCATED LE STA 105.26 AT LT HORIZONTAL STABILIZER / REPLACED RIB OF ACCESS PANEL 331B L.E STA 105.26 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02; 51-40-02 AND DRAWING 186A1001 SHEET 1 REV.B.

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