SDR P5CA2019081200168

Service difficulty report · Wire · Boeing 74787UF

Difficulty date: August 11, 2019
Submitted: August 12, 2019
Operation: Air carrier
Aircraft: N857GT
Make and model: Boeing 74787UF
Aircraft serial: 37568
Aircraft time: 32,947 hours, 5,299 cycles
System (JASC): 2497 · Electrical Power System Wiring
Part: Wire
Condition: Damaged
Location: Apu Generator
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

FOUND THE NR 1 APU GENERATOR PIN N HAD SPARK MARK. DISCONNECTED APU GENERATOR 1 WIRE IAW JC ATTACHING SHEET 0192683. REPLACED THE GENERATOR WITH NEW PARTS IAW AMM 24-21-03-004-001, REV 30, AND AMM 24-21-03-404-023, REV 30. PERFORMED APU GENERATION INSTALLATION TEST IAW AMM 24-21-03-404-023, REV 30, RESULT WAS SATISFACTORY.

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