As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE HYD EDP LOW PRESSURE LIGHT DOES NOT ILLUMINATE WHEN ENGINE IS SHUT DOWN. REF SM 29-00-02 PG 101 SHEET 1 JUMPED SWITCH S26 AND LIGHT ILLUMINATED AND REF DF231 AUTO FUNCTION THEN OPERATED NORMALLY. CLEANED SWITCH CONTACTS AND REFITTED PLUG AND LIGHT DOES NOT ILLUMINATE. REQUIRES SWITCH S26 PCN (481-0076). COMPLIED WITH MEL TEST REQUIREMENTS. MAINTENANCE TO VERIFY PUMP AND SYSTEM PRESSURE LIGHT OPS BEFORE BEFORE EACH DEPARTURE. REPLACED PRESS SWITCH S26, LIGHT OPS NORMAL.