Service difficulty report · Stiffener · Boeing 737990

Difficulty date
March 6, 2019
Submitted
March 11, 2019
Operation
Air carrier
Aircraft
N318AS
Make and model
Boeing 737990
Aircraft serial
30018
Aircraft time
55,891 hours, 22,184 cycles
Part
Stiffener
Part number
111A130815
Condition
Cracked
Location
Lt Mlg Ww
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

LT WW ATTACHED ANGLE O/B SIDE OF ACM EXHAUST RING IS CRACKED. GROUNDED - YES. REMOVED AND REPLACED ANGLE STIFFENERS IAW SRM 51 40 02 0G 0 PARA 4 AND 7.D.