Service difficulty report · Skin · Boeing 737990

Difficulty date
March 11, 2018
Submitted
March 21, 2018
Operation
Air carrier
Aircraft
N309AS
Make and model
Boeing 737990
Aircraft serial
30857
Aircraft time
59,215 hours, 23,367 cycles
Part
Skin
Part number
186A201130
Part serial
000830
Condition
Cracked
Location
Rt Horiz 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

CRACK, 3.5" AFT OF EXISTING REPAIR, JUST INBOARD OF STAB STA 138.70 RT SIDE. CRACK LENGTH APPROX 1" IN LENGTH. GROUNDED - YES. REMOVED EXISTING DOUBLER ON RT HORIZ STAB IAW SRM 51-40-02. FABRICATED NEW DOUBLER, INCORPORATING NEW AND OLD DOUBLER IN 1 DOUBLER IAW SRM 55-10-01-2R-11 SECTION 4.