SDR CALA2021122902471

Service difficulty report · Stabilizer · Boeing 737900

Difficulty date: December 29, 2021
Submitted: December 29, 2021
Operation: Air carrier
Aircraft: N37434
Make and model: Boeing 737900
Aircraft serial: 33528
Aircraft time: 36,047 hours, 12,781 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Stabilizer
Part number: NA
Condition: Cracked
Location: Lh
Stage of operation: IN
How discovered: O
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

L/H HORIZONTAL STABILIZER - CRACK FOUND AT STAB STA 138.70, 10" FWD OF REAR SPAR & INBD OF DRAIN HOLE, CRACK LENGTH :0.276" REF AAR NR 9643094 ACCOMPLISHED REPAIR AT STA 138.70 REF B737-900 SRM 55-10-01-2R- 11, INSPECTION REQUIREMENTS VISUAL AND LFEC INSPECT EVERY 9,000 FLIGHT CYCLES WORK ACCOMPLISHED BY V900829