As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"APU FAULT" ON TAXI IN(<P>ECU FAULT "NO LIGHT". TRANSFERRED TO DMI 111170 IAW MEL 49-11-01A, NT 1418Z. MX PROCEDURE C/W, EXPIRES 14MAY19.</P><P>LP 958478 - M2: FOUND HOLE IN APU AIR SURGE DUCT. REMOVED AND REPLACED AIR SURGE DUCT IAW AMM 20-11-01 AND 49-11-01. PERFORMED OPS AND LEAK CHECK, OPS CHECK GOOD. THIS CLEARS MDDR 111170. PLACARD REMOVED AND MCC NOTIFIED. </P>)