Service difficulty report · Intercostal · Boeing 737990

Difficulty date
February 24, 2017
Submitted
March 6, 2017
Operation
Air carrier
Aircraft
N318AS
Make and model
Boeing 737990
Aircraft serial
30018
Aircraft time
49,680 hours, 19,355 cycles
Part
Intercostal
Part number
146A812553
Condition
Corroded
Location
Bs 767-787
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

INTERCOSTAL HAS LIGHT CORROSION ON THE UPPER SURFACE OF TOP ANGLE BS 767 - 787, STRINGER 25R. ACFT GROUNDED. REMOVED CORROSION IAW SRM 51-10-02, FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1, REMOVED AND REPLACED ANGLE IAW DWG 146A8123 REV & SRM 51-40-02.