Service difficulty report · Rib · Boeing 7377H4

Difficulty date
August 13, 2020
Submitted
September 4, 2020
Operation
Air carrier
Aircraft
N202WN
Make and model
Boeing 7377H4
Aircraft serial
33999
Aircraft time
54,053 hours, 32,067 cycles
Part
Rib
Part number
273A9110
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 LE STA 291.21 AT LT HORIZONTAL STABILIZER. REPLACED RIB LOC LEADING EDGE ACCESS PANEL 331B LE STA 292.21 AT LT HORIZONTAL STABILIZER IAW B737-700 SRM 51-10-02; 51-40-02 AND DWG 186A1001 REV.B.

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