Service difficulty report · Attach Angle · Boeing 737990ER

Difficulty date
April 26, 2026
Submitted
June 9, 2026
Operation
Air carrier
Aircraft
N464AS
Make and model
Boeing 737990ER
Aircraft serial
40714
Aircraft time
44,925 hours, 13,804 cycles
Part
Attach Angle
Part number
111A13223
Condition
Cracked
Location
Zone 100
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

LEFT ECS BAY AFT UPPER INBD CORNER: FOUND UPPER CHORD INBD AFT AREA TO BE CRACKED. GROUNDED - YES. REPAIRED CENTER SECTION REAR SPAR VAPOR BARRIER ATTACH ANGLE IN THE LT ECS BAY IAW SRM 57-10-10-2R-5, REPAIR 5.