SDR UIEA2020090501954

Service difficulty report · Ecu · Boeing 76733A

Difficulty date: September 5, 2020
Submitted: September 15, 2020
Operation: Air carrier
Aircraft: N1997A
Make and model: Boeing 76733A
Aircraft serial: 27310
Aircraft time: 98,667 hours, 20,350 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Ecu
Part number: 211734220
Part serial: 117A0403
Condition: Malfunctioned
Location: Apu
Stage of operation: NR
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 AUTO SHUT DOWN FAULT LIGHT ILLUMINATED. ITEM TRANSFERRED TO MDDR #133942, IAW MEL 49-11-01A, CAT C. REMOVED AND REPLACED APU ECU, IAW AMM 49-61-05/401. OPS CHECK GOOD, IAW AMM 49-11-00-802. THIS CLEARS MDDR #133942, MCC NOTIFIED, PLACARDS REMOVED.

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