Service difficulty report · Apu · Boeing 76731K

Difficulty date
November 12, 2019
Submitted
November 14, 2019
Operation
Air carrier
Aircraft
N1489A
Make and model
Boeing 76731K
Aircraft serial
27206
Aircraft time
105,907 hours, 20,747 cycles
Part
Apu
Condition
Malfunctioned
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APU RELIABILITY COLD SOAK START ACCOMPLISHED ON FLT RFD TO SCK. SAT -66*C, FL 400, START UNSUCCESSFUL, 3 ATTEMPTS.(<P>PERFORMED ECU BITE IAW FIM 49-11 FT 958 LEG 4. REASON SHUTDOWN OCCURRED, REFERENCES DOOR SYSTEM. NO FLAGS. CLEARED ECU. OPS CHECK NORMAL IAW AMM 49-11-00. DMI #120541 REMAINS OPEN FOR COLD SOAK. MCC ADVISED. </P><P><BR /></P><P>NOTE: LP 1216646 - ITEM 3: APU COLD SOAK START ACCOMPLISHED, FIRST ATTEMPT SUCCESSFUL. NOTED BY MX, THIS CLEARS DMI #120541. PLACARDS REMOVED AND MCC NOTIFIED.</P>)

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