What was found
AIRCRAFT NOT GROUNDED: PILOT REPORTS DESCENDING OUT OF FL350 ACFT CAPTURED A GLIDE SLOPE SIGNAL AND STARTING CLIMBING. A/P WAS DISCONNECTED. MAINTENANCE ACCOMPLISHED DFCS BITE IAW FIM 22-11-00. ACCOMPLISHED MMR BITE IAW FIM 34-31-00. ACCOMPLISHED LRRA BITE IAW FIM 34-33-00. ACCOMPLISHED PSEU BITE IAW FIM 32-09-00. FOUND FCC CHANEL A FAULT. ***SUPPLEMENTAL INFORMATION: MAINTENANCE REMOVED AND REPLACED FCC A IAW AMM 22-11-33. OPS CHECK NORMAL.*** (CLOSED)