SDR ASAA2020112433640

Service difficulty report · Skin · Boeing 737890

Difficulty date: November 24, 2020
Submitted: December 8, 2020
Operation: Air carrier
Aircraft: N513AS
Make and model: Boeing 737890
Aircraft serial: 35192
Aircraft time: 43,954 hours, 13,030 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 182A400111
Condition: Cracked
Location: Horizontal Stab
Stage of operation: IN
How discovered: 9
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

LT HORIZONTAL LOWER SKIN HAS A CRACK AT STA 129.5 10 FWD OF TRAILING EDGE. GROUNDED-YES. REPAIRED LT HORIZ LOWER SKIN AT STA 129.5, IAW 737-800 SRM 55-10-01-2R-11 REPAIR 11. THIS IS A CAT B REPAIR REQUIRES INSPECTION AT THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES, REPEAT INSPECTS INTERVAL OF 9,000 FLIGHT CYCLES.