What was found
APU RELIABILITY COLD START OAT -56C FL 390 3 ATTEMPTS UNSUCCESSFUL (<P>UNABLE TO START APU ON GROUND TEST TRANSFERRED TO MDDR 105743 IAW MEL CH 49-11-01A CAT C PER MOC. ACCOMPLISHED BITE CHECK OF ECB ON LRU DISPLAYED NO FLAGS NOTES DISPLAYED ACCOMPLISHED / RESET OF ECB ATTEMPTED START APU EGT 770 @ 10 % APU AUTO SHUTDOWN MDDR 105743 REMAINS / OPEN. R/R MAIN SHIPS BATT TO APU IAW 24-31-04 R/R RELAY FOR APU BATT K116 IAW WDM IAW / WDM 24-31-41 OPS CK UNSATISFACTORY BATT WILL NOT CHARGE. S/N 0FF 09052001E2B11,P/N OFF 018550-000. REMOVED AND REPLACED APU BATTERY CHARGER IAW AMM 24-31-05 OPS TEST/CHARGING / VERIFICATION GOOD THIS CLEARS MDDR 105743 ALL PLACARDS REMOVED MCC NOTIFIED / </P>)