Service difficulty report · Rib · Boeing 7377H4

Difficulty date
March 25, 2021
Submitted
April 28, 2021
Operation
Air carrier
Aircraft
N443WN
Make and model
Boeing 7377H4
Aircraft serial
29838
Aircraft time
60,053 hours, 35,289 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 Ï¿½ 9 AT RT HORIZONTAL STABILIZER / REPLACED RIB 9 LEADING EDGE AT RT HORIZONTAL STABILIZER DRILLED NEW RIB IAW SRM B737-700 51-40-02; 51-10-02; 51-40-05 DWG 186A1001 REV D REPLACED RIB DUE TO NOT FOUND ALLOWABLE DAMAGE IN SRM B737-700

More about the Boeing 737-7H4