Service difficulty report · Duct · Boeing 737890

Difficulty date
June 9, 2017
Submitted
June 12, 2017
Operation
Air carrier
Aircraft
N594AS
Make and model
Boeing 737890
Aircraft serial
35191
Aircraft time
35,364 hours, 10,633 cycles
Part
Duct
Condition
Cracked
Location
Anti Ice
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

NR 1 ENGINE COWL TAI AIR DUCT HAS APPROXIMATELY A ONE INCH CRACK NEAR 90 DEGREE BEND AT THE 12 O'CLOCK POSITION ABOVE THE CORE AND FWD OF THE PRECOOLER. ACFT GROUNDED. REMOVED TWO CLAMPS AND ONE BRACKET FROM THE NR 1 ENGINE COWL TAI DUCT. REPAIRED THE TAI DUCT.