As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPLEMENTAL INFORMATION: FLAPS WOULD NOT RETRACT FROM FLAPS 5. AFTER TAKEOFF FLAPS WOULD ALSO NOT EXTEND TO 15 UNTIL ALTERNATE SYSTEM WAS USED<C/W FIM 27-51 TASK 849 FIM 27-51 TASK 836. FOUND #6 FLAP TRANSMISSION TRIPPED. R/R #6 FLAP TRANSMISSION PER AMM 27-51-31. OPS CHKS GOOD. INSPECTED TASK