Service difficulty report · Skin · Boeing 737890

Difficulty date
March 19, 2021
Submitted
March 25, 2021
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
38,760 hours, 11,387 cycles
Part
Skin
Part number
186A200041
Part serial
SAMC1721
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

RIGHT HORIZONTAL STAB LOWER SKIN IS CRACKED AT STA. 138.70 IN TWO PLACES. (ONE IS .625" LONG AND THE OTHER IS .250" LONG, BOTH ARE MARKED) GROUNDED - YES. CUT OUT DAMAGE AND REPAIRED SKIN IAW B737-800 SRM 55-10-01-2R-11. THIS IS A CATEGORY B REPAIR WITH AN INSPECTION THRESHOLD OF 56,000 TOTAL FLIGHT CYCLES AND 9,000 FLIGHT CYCLE INTERVAL