SDR ASAA2026071467407

Service difficulty report · Skin · Boeing 737890

Difficulty date: July 14, 2026
Submitted: July 21, 2026
Operation: Air carrier
Aircraft: N535AS
Make and model: Boeing 737890
Aircraft serial: 35200
Aircraft time: 54,467 hours, 16,262 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: LT HORIZONTAL STAB. LOWER SKIN, INBD OF BS 184.70, I/B OF ROW OF FASTENERS AT .850"L 8.25" FWD OF AFT SPAR. GROUNDED - YES. ACCOMPLISHED REPAIR ON LT HORIZONTAL LOWER SKIN IAW SRM 55-10-01-2R-11. THIS IS A CAT B REPAIR INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES, INSPECTION INTERVAL 9,000 FLIGHT CYCLES.