SDR CALA2025082108005

Service difficulty report · Stiffener · Boeing 737824

Difficulty date: August 16, 2025
Submitted: August 21, 2025
Operation: Air carrier
Aircraft: N73251
Make and model: Boeing 737824
Aircraft serial: 30582
Aircraft time: 75,824 hours, 28,175 cycles
System (JASC): 5514 · Horizontal Stabilizer Miscellaneous Structure
Part: Stiffener
Part number: 182A5007
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

POSSIBLE CRACK ON INBD LWR SIDE OF NR 3 STIFFENER IN LT HORIZONTAL STAB, HSS 129.50. REPAIRED INBD LWR SIDE OF NR 3 STIFFENER IN L/H SIDE HORIZONTAL ST AB, STA 129.50 ALL WORK DONE IAW SRM 55-10-09-2R-4, SRM 51-40-02-0G-0 & PERFORMED NDT NO CRACK SIGNAL NOTED NDTM PART 6, 51-00-00 PROCEDURE 16,23.