Service difficulty report · Skin · Boeing 737890

Difficulty date
May 21, 2020
Submitted
June 11, 2020
Operation
Air carrier
Aircraft
N534AS
Make and model
Boeing 737890
Aircraft serial
35202
Aircraft time
36,429 hours, 10,442 cycles
Part
Skin
Part number
182A4001
Condition
Cracked
Location
Lt Horiz Stab
Stage of operation
IN
How discovered
E
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 USING HFEC INBOARD OF STA 101.90, 10" FORWARD OF AFT SPAR MEASURING APPROX 1" IN LENGTH. GROUNDED - YES. ACCOMPLISED DOUBLER REPAIR ON LT HORIZONTAL STAB STA 101 IAW SRM 55-10-01-2R-11. TOP COATED REPAIR IAW AMM 51-21-99. THIS IS ACATEGORY "B" REPAIR WITH AN INSPECTION THRESHOLD OF 56,000 CYCLES AND REPEAT INSPECTION (DUI AND LFEC) AT 9000 FLIGHT CYCLE INTERVALS. IAW SRM 55-10-01-2R-11 PARAGRAPH 5 - TABLE 204.