What was found
SAV - FL403 - THE NR 1 ENG CSD LOW PRESS LIGHT BEGAN TO BLANK AND THE FREQ WAS FLUCTUATING ERRATICALLY. ABNORMAL CHECKLIST WAS FOLLOWED, THE NR 1 ENG CSD WAS DISCONNECTED. THE APU WAS ON MEL AND WITH ONLY ONE POWER SOURCE, THE FLT DIVERTED TO SAV. FLT LANDED W/O FURTHER INCIDENT. UPON ARRIVAL, MX INSPECTED THE NR 1 ENG CSD MAGNETIC CHIP DETECT AND NOTED THAT BOLTHEAD WAS BROKEN OFF. SERVICED CSD AND NOTED OIL LEAKING AT SAME LOCATION. R/R'D DRAIN PLUG ASSY ALONG WITH MAGNETIC CHIP DETECTOR. NO CONTAMINATION WAS NOTED ON REMOVED PLUG. R/R'D IN LINE FILTER. NO CONTAMINATION NOTED. SAFETY WIRED THE MENTIONED ITEMS AND RAN ENG. NO LEAKS NOTED. VOLTS AND FREQ GOOD. OPS CHECK NORMAL. (M)