As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAP T/E DISAGREE LIGHT AT FLAPS 5 POSITION WHEN RETRACTING AFTER TAKE OFF. HAD TO USE ALTERNAT FLAP SWITCH LAND FLAPS 20. R & R FSEU IN REF TO MM 27-51-01-4. PERFORMED BITE CK IN REF TO FIM 27-51-00. SYS CKS GOOD. FSEU ALSO TESTS GOOD IAW MM 27-51-01-4. OK FOR CONTINUED SERVICE.