SDR CALA2026092319701

Service difficulty report · Stiffener · Boeing 737824

Difficulty date: February 8, 2026
Submitted: September 23, 2026
Operation: Air carrier
Aircraft: N33289
Make and model: Boeing 737824
Aircraft serial: 31607
Aircraft time: 67,874 hours, 25,272 cycles
System (JASC): 5514 · Horizontal Stabilizer Miscellaneous Structure
Part: Stiffener
Part number: 182A5301182A5302
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 STAB, IN-SPAR HSS 92.7, NR 3 & 4 STIFFENERS TRANSITION RADIUS & HSS 111.10, NR 3 STIFFENER, CRACKED. REPAIR OVER 5LBS. WEIGHT AND BALANCE CHANGE FORM WAS COMPLETED. WEIGHT CHANGE IS 8.763LBS.+/-. REPAIRED THE DAMAGE IAW 55-10-09-2R-4 AND SRM 55-10-01-2R-11.