What was found
LEFT BLEED TRIP OFF LIGHT ILLUMINATED. QRH FOLLOWED FOUND PRECOOLER VALVE SHAFT SHEARED. REPLACED SAME IAW AMM 36-12- 02. OPS CK NORMAL ROTABLE PARTS CHANGE WAS INDICATED -VALVE, PRECOOLER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT BLEED TRIP OFF LIGHT ILLUMINATED. QRH FOLLOWED FOUND PRECOOLER VALVE SHAFT SHEARED. REPLACED SAME IAW AMM 36-12- 02. OPS CK NORMAL ROTABLE PARTS CHANGE WAS INDICATED -VALVE, PRECOOLER.