SDR DALA2025090406547

Service difficulty report · Torsion Box · Boeing 737932ER

Difficulty date: September 3, 2025
Submitted: September 4, 2025
Operation: Air carrier
Aircraft: N870DN
Make and model: Boeing 737932ER
Aircraft serial: 31981
Aircraft time: 27,823 hours, 10,837 cycles
System (JASC): 5514 · Horizontal Stabilizer Miscellaneous Structure
Part: Torsion Box
Condition: Dented
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

(LOG 1180091) HORIZONTAL STAB TORSION BOX COMPARTMENT, STA 1088 - 1096 LOWER HORIZONTAL BEAM WEB HAS 3 EA DENTS AND 1 IN CRACK AT BL0. REPAIRED HORIZONTAL STAB TORSION BOX LWR BEAM DENTS/CRACK LOCATED AT STA 1088 - 1096 BL0 IAW B737-900 SRM 53-80-13-1A-1, 51-70-13-2R, 51-20-01-00.