SDR SIMA201807090002

Service difficulty report · Unknown · Emb ERJ170200LR

Difficulty date: July 5, 2018
Submitted: July 9, 2018
Operation: Air carrier
Aircraft: N252NN
Make and model: Emb ERJ170200LR
Aircraft serial: 17000642
Aircraft time: 3,439 hours, 2,259 cycles
System (JASC): 2120 · Air Distribution System
Part: Unknown
Condition: Odor
Location: E&E Bay
Stage of operation: UK
How discovered: O
Nature of condition: B
Precautionary procedure: O

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

What was found

ELECTRICAL BURNING SMELL IN NOSE AVIONIC COMPARTMENT. SPOKE WITH RAMP PERSONNEL, PRIOR TO EVENT THEY HAD PROBLEMS ESTABLISHING AC SERVICE BUS WITH GATE APU. RESET CB 20 IN LICC, AVIONICS BAY FANS OPS CHK OK IAW AMM 21-26-00. FAN CB. SUSPECT GPU CAUSED FAN OVHT. OPERATED WITH NEW GPU NO FURTHER ELECTRICAL SMELL.

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