SDR CALA2021122902462

Service difficulty report · Skin · Boeing 737900ER

Difficulty date: December 28, 2021
Submitted: December 29, 2021
Operation: Air carrier
Aircraft: N37434
Make and model: Boeing 737900ER
Aircraft serial: 33528
Aircraft time: 36,047 hours, 12,781 cycles
System (JASC): 5510 · Horizontal Stabilizer Structure
Part: Skin
Part number: 182A40012
Condition: Cracked
Location: Lh Hor Stab
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 193.90, 10" FWD OF REAR SPAR & I/B OF DRAIN HOLE, CRACK LENGTH :0.984" REF AAR NR 9643095 ACCOMPLISHED REPAIR AT HORIZONTAL STAB STA 193.90, REF B737-900 SRM 55-10-01-2R-11. INSPECTION REQUIREMENTS VISUAL AND LFEC INSPECT EVERY 9,000 FLIGHT CYCLES WORK ACCOMPLISHED BY V900829

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