Service difficulty report · Rib · Boeing 7377H4

Difficulty date
March 21, 2021
Submitted
May 3, 2021
Operation
Air carrier
Aircraft
N408WN
Make and model
Boeing 7377H4
Aircraft serial
27895
Aircraft time
66,599 hours, 39,435 cycles
Part
Rib
Condition
Cracked
Location
Horizontal Stab
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 LOCATED LE STA 272.62 RT HORIZONTAL STAB / REPLACED LEADING EDGE RIB LOCATED LE STA 272.62 RT HORIZONTAL STAB IAW B737-700 SRM 51-10-02 ITEM 9; 51-40-02 AND DRAWING 186A1001 REV A PART USED PN 186A1401428 PO #2021-131558

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