What was found
PIT - FLT 421 - RIGHT ENGINE COWLING LATCH CAME OPEN IN-FLIGHT, ACFT RETURNED. MAINTENANCE SECURED RIGHT ENGINE UPPER COWLING LATCH, CHECKS NORMAL. CHECKED ALL OTHER COWLING LATCHES, CHECK GOOD. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - FLT 421 - RIGHT ENGINE COWLING LATCH CAME OPEN IN-FLIGHT, ACFT RETURNED. MAINTENANCE SECURED RIGHT ENGINE UPPER COWLING LATCH, CHECKS NORMAL. CHECKED ALL OTHER COWLING LATCHES, CHECK GOOD. (X)