SDR ASAA2015022510791

Service difficulty report · Skin · Boeing 737890

Difficulty date: February 25, 2015
Submitted: March 2, 2015
Operation: Air carrier
Aircraft: N525AS
Make and model: Boeing 737890
Aircraft serial: 35692
Aircraft time: 21,961 hours, 7,088 cycles
System (JASC): 5512 · Horizontal Stabilizer, Plate/Skin
Part: Skin
Part number: 182A4001
Condition: Cracked
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 FOUND AT STAB STA 137, 24 1/2' AFT OF FRONT SPAR, APPROX 1' IN LENGTH. LH. GROUNDED - YES. REMOVED DAMAGE & REPAIRED L/H STAB STA 137 LOWER SKIN IAW B737-800 SRM 55-10-01-2R-11 ALODINED & PRIMED IAW B737-800 SRM 51-20-01. TOPCOATED IAW B737-800 AMM 51-21-99 CATAGORY B REPAIR. INSPECTION THRESHOLD: 56,000 FLIGHT CYCLES. REPEAT INSPECTION INTERVAL 9,000 FLIGHT CYCLES.