As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOLLOW UP TO REPORTS OF LT DUCT PRESS LOW ON CLIMBOUT AND CRUISE. ACCOMPLISHED HEALTH CHECK LT PRECOOLER CONT VALVE. CHECKS GOOD REF M/M 36 12 00 700 801. FOUND LT PRSOV CONTROL PRESSURE SENSE LINE PART 16135 83 LEAKING. REPLACED SENSE LINE. OPS & LEAK CHECK GOOD REF M/M 36 11 00 101. SEAMC NOTIFIED.