SDR ASAA2024121355302

Service difficulty report · Skin · Boeing 737890

Difficulty date: December 13, 2024
Submitted: January 16, 2025
Operation: Air carrier
Aircraft: N512AS
Make and model: Boeing 737890
Aircraft serial: 39043
Aircraft time: 56,501 hours, 16,822 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 182A400111
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

CRACK INDICATION FOUND: L/H HORZ. STAB. LOWER SKIN I/B STAB. STA. 147.90 FASTENER ROW, 16.25" FWD OF AFT SPAR, MARKED .370"L. GROUNDED - YES. REMOVED CRACK AT STA 147.90 IAW B737-800 SRM 55-10-01-2R-11 AND SRM 51-10-02 AND REPAIRED AREA IAW B737-800 SRM 51-10-01-2R-11. RESTORED PROTECTIVE FINISHES IAW B737-800 AMM 51-21-99. CAT B REPAIR INSPECTION THRESHOLD 56,000 FC INSPECTION METHOD OF DVI AND LFEC AT INTERVALS OF 9,000 FC.