What was found
AIRCRAFT RETURNED TO PLATFORM AS A CONSEQUENCE OF DURING RIGHT ENGINE STARTED, THE A AND B IGNITION SYSTEM DID NOT HAVE ROTATION IN N1 AND N2. DURING REVISION, THE RIGHT ENGINE FAN WAS DETECTED JAMMED. THE STARTER WAS DEINSTALLED AND REINSTALLED IAW MM 80-10-01, ALL CORRECT. DURING OVERNIGHT SERVICE, THE RIGHT ENGINE WAS STARTED FOUR TIMES INSPECTING BY FREE ROTATION, BEING ALL CORRECT IAW MPCM 71-00-01. THE STARTER WAS CHECKED AND STARTER DRIVE GEAR SHAFT COUPPLING WAS REPLACED IAW MM 72-61-04 AND THE RIGHT CHIP DETECTORS WERE CHECKED IAW EO 987218, ALL CORRECT.