Service difficulty report · Precooler · Boeing 767316

Difficulty date
October 1, 2018
Submitted
October 5, 2018
Operation
Air carrier
Aircraft
N1381A
Make and model
Boeing 767316
Aircraft serial
27615
Aircraft time
84,895 hours, 18,026 cycles
Part
Precooler
Part number
7738556
Part serial
910717
Condition
Damaged
Location
Bleed Air Sys
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

FOUND DAMAGE FINS INSIDE THE NR 2 ENGINE PRECOOLER ALLOWING BLEED AND FAN AIR TO MIX. REMOVED RH ENGINE PRECOOLER IAW AMM 36-11-15, ITEM 11 INSTALLED PRECOOLER IAW AMM 36-11-15 FROM STEP PROCEDURE F AND UP/TO F(13). ITEM M12 COMPLETED STEP F(19) TO FINISH INSTALL IAW AMM 36-11-15, LEAK CHECK IS GOOD AT THIS TIME.