What was found
ILS RECEIVER UNTUNABLE ON DESCENT INTO CLE. DIVERTED TO KPIT. REMOVED AND REPLACED ILS CONTROL HEAD. OPS CHECKS GOOD REF: A300 MM 34-36-15-4. R/I FROM FACT PREMATURE REMOVAL/INSTALLATION OFF MFG 889-2323-006, POS ONL SRL 145 TAG 67288A, ON MFG 889-2323-007, SRL 4131.