SDR UIEA2020082651871

Service difficulty report · Ecu · Boeing 76731K

Difficulty date: August 24, 2020
Submitted: August 26, 2020
Operation: Air carrier
Aircraft: N1487A
Make and model: Boeing 76731K
Aircraft serial: 28865
Aircraft time: 88,121 hours, 18,162 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Ecu
Part number: 211734220
Part serial: 92B0354
Condition: Malfunctioned
Location: Apu
Stage of operation: TX
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

NO APU START AFTER 3 ATTEMPTS. PERFORMED APU BITE REF FIM 49-11 FT 987, OBSERVED MINI FLAG 34. REMOVED AND REPLACED APU ECU IAW 49-61-05. STARTED APU 4 TIMES, NO FLTS, FLAGS ON ECU. PLACED LOAD ON APU. PERFORMED A DRY MOTOR 32 ENG IAW AMM 71-00-00. NO FAULTS NOTED. OPER NORMAL AT THIS TIME.

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