Service difficulty report · Skin · Boeing 737890

Difficulty date
April 6, 2021
Submitted
April 26, 2021
Operation
Air carrier
Aircraft
N531AS
Make and model
Boeing 737890
Aircraft serial
35199
Aircraft time
38,703 hours, 11,282 cycles
Part
Skin
Part number
186A100041
Part serial
SAMC1744
Condition
Cracked
Location
Horizontal Stab
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

L/H HORIZONTAL LWR SKIN HAS A CRACK AT STA 101 APROX 11 INCHES FWD OF REAR SPAR GROUNDED - YES. REPAIRED L/H HORIZONTAL LOWER SKIN AT STA 101 APPROXIMATELY 11" FWD OF REARSPAR. THIS REPAIR IS A CATEGORY B REPAIR W/INSPECTION INTERVALS AS FOLLOWS: INSPECTION THRESHOLD OF 56,000 CYCLES & INTERVALS OF 9,000 CYCLES IAW B737-800 SRM 35-10-01-2R-11