What was found
ON T/O ROLL, ENG REF A/I DISAGREE DISPLAYED. MESSAGE REMAINED ON TAXI IN ALONG WITH E2 A/I VLV FAIL DISPLAYED ON TAXI. DURING E2 A/I VLV DEACTIVATION LOCKING BOLT ON A/I VLV SHEARED OFF. R&R E2 A/I VLV IAW AMM 36-11-05. SEE NEXT SEQ THIS LP FOR NEW DISCREPANCY AND OPS CHECK. REACTIVATED #200 A/I VALVE IAW AMM 30-21-01-400-801-A. PERFORMED A/I OPS CHECK IAW AMM 30-00-00-700-803-A. NO DEFECTS NOTED. R/R RELAY K0536 AS A MX PRECAUTION IN REF TO AMM 13-02-000/400-801-A. PERFORMED OPS. CHECK . NO DEFECTS NOTED. OK FOR SERVICE. CLEAR MEL 30-8-1.