Service difficulty report · Rib · Boeing 737924ER

Difficulty date
August 7, 2025
Submitted
August 8, 2025
Operation
Air carrier
Aircraft
N75433
Make and model
Boeing 737924ER
Aircraft serial
33527
Aircraft time
51,735 hours, 18,355 cycles
Part
Rib
Part number
B7375530239
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

CRACK FOUND ON LEFT HORIZONTAL STABILIZER IN SPAR RIB NR 2 STIFFENER LWR END AT STAB STA 184.70. ACCOMPLISHED REPAIR OF LT HORIZONTAL STAB INSPAR RIB STIFFENER NR 2 AT STAB STA 184.70 AS PER SRM 55-10-09-2R-4. REPAIRED DURING D1 CHECK. ACCOMPLISHED REPAIR OF LEFT HORIZONTAL STAB INSPAR RIB STIFFENER NR 2 AT STAB STA 184.70 IAW SRM 55-10-09-2R-4.