As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
E1 A/ICE FAIL MSG CLIMBING FL180. DEFERRED AS PER MEL 30-11 AUTH 020470DM-C C/W M PROCEDURES. MEL REFERENCE CHANGED FROM 30-11 TO 30-12 PER MOC 801520. M PROCEDURES FOR 30-11 REVERSED. REMOVED AND REPLACED GASKET AND CLAMP ON E1 UPPER CHECK VALVE IAW AMM 36-11-01. MEL RESTORED