SDR HALA9700316

Service difficulty report · Rccb · Doug DC1010

Difficulty date: December 19, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N119AA
Make and model: Doug DC1010
Aircraft serial: 46519
System (JASC): 2430 · DC Generating System
Part: Rccb
Condition: Failed
Location: Nr 1 Engine
Stage of operation: CR
Nature of condition: J, H
Precautionary procedure: A

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

What was found

HNL - FLT NR 4 - IN CRUISE FLIGHT, NR 1 GEN OFF LIGHT CAME ON. VOLT/FREQENCY ZERO. FOLLOWED ABNORMAL PROCEDURES AND RESET NR 1 GEN. VOLT/FREQS OK. 4 MINUTES LATER NR 1 GEN DROPPED OFF LINE AGAIN. FOUND NR 1 DC BUS TIE RCCB CLOSED, REPLACED RCCB AND NR 1 ECU, RUN 1 AND 3 PARALLEL AND PARALLEL GEN CHECK OK. (M)

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