Service difficulty report · Rib · Boeing 737924ER

Difficulty date
April 24, 2025
Submitted
April 28, 2025
Operation
Air carrier
Aircraft
N77430
Make and model
Boeing 737924ER
Aircraft serial
37098
Aircraft time
51,551 hours, 18,248 cycles
Part
Rib
Part number
182A5305
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

LEFT HORIZONTAL STABILIZER INTERNAL STRUCTURE STA 129.50 FOUND CRACK AT #3 STIFFENER. REPAIRED RIB STA 129.50, STIFFENER#3, AS PER REF. B737 SRM 55-10-09-2R-4, 4B (1).