Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 16, 2025
Submitted
August 15, 2025
Operation
Air carrier
Aircraft
N229WN
Make and model
Boeing 7377H4
Aircraft serial
32498
Aircraft time
64,915 hours, 38,879 cycles
Part
Rib
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

RIGHT HORIZONTAL STABILIZER INSPAR RIB 9; AT STABILIZER STATION 166.30; 1ST VERTICAL STIFFENER IS CRACKED.<[01] HFEC INSPECTED RIGHT HAND HORIZONTAL STABILIZER INSPAR RIB 9; AT STABILIZER STATION 166.30; 1ST VERTICAL STIFFENER IAW 737 PART 6; 51-00-00 PROCEDURE 23<BR>NO CRACK NOTED;[02] VERIFIED CORRECTIVE ACTION ITEM 1

More about the Boeing 737-7H4