As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAPS FAIL MASTER CAUTION OCCURRED 15 MINUTS AFTER DEPARTURE. QRH WAS ACCOMPLISHED. FLAPS FAILED AT ZERO DEGREES. EMERGENCY LANDING DECLARED FOR PRECAUTIONARY MEASURES. INTERROGATED FECU, FOUND L-BPSU MISRIGGED, NO EVIDENCE OF TWISTING OR ABNORMAL DEFORMATION DETECTED. NO JAMMED, DISCONNECTED OR DRAGGING COMPONENTS FOUND. REMOVED AND REPLACED L-BPSU IAW SUPP 98-018B. (K)