What was found
AIR TURNBACK, DURING GEAR RETRACTION, NR 1 ENG HYD PUMP FAILED. NO LOSS OF HYD FLUID. R&R NR 1 HYD PUMP & CASE DRAIN FILTER PER MM, OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIR TURNBACK, DURING GEAR RETRACTION, NR 1 ENG HYD PUMP FAILED. NO LOSS OF HYD FLUID. R&R NR 1 HYD PUMP & CASE DRAIN FILTER PER MM, OPS CHECK GOOD.