As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU BLEED FUNCTION INOP(<P>FND APU DUCT PRESSURE DROP TO ZERO DURING L ENG START. PER AMM 71-00-00 PRFORM BOTH ENGINE DRY MOTORING, CONDITION NORMAL WITH GROUND PNEUMATIC SOURCE. TRANSFERRED TO MDDR 151273 IAW MEL 49-11-01-01 CAT C.</P> / <P>LP <SPAN>1483980: </SPAN><SPAN>REMOVED AND REPLACED APU SUPPLY SOV THEN OPER CHECK OK PER AMM 36-11-10/401. THIS CLEARS MDDR 151273.</SPAN></P>)