What was found
AT FL370 LT DUCT PRES 27 PSI + RT SHOWS 43 PSI. PERFORMED LT ENG BLEED SYSTEM HEALTH CHECK IAW AMM AND RAN L/ENG, NO FAULTS NOTED, DUCT PRESSURE NORMAL. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AT FL370 LT DUCT PRES 27 PSI + RT SHOWS 43 PSI. PERFORMED LT ENG BLEED SYSTEM HEALTH CHECK IAW AMM AND RAN L/ENG, NO FAULTS NOTED, DUCT PRESSURE NORMAL. (K)