SDR RAIA201202030001

Service difficulty report · Proximity Switch · Emb EMB145LR

Difficulty date: February 3, 2012
Submitted: February 7, 2012
Operation: Air carrier
Aircraft: N842HK
Make and model: Emb EMB145LR
Aircraft serial: 145830
Aircraft time: 19,087 hours, 17,734 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Proximity Switch
Condition: Malfunctioned
Location: Mlg
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: A

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

What was found

DURING CLIMB THE FLIGHT CREW GOT A SPS ADVANCE MESSAGE ON THE EICAS. AIRCRAFT RETURNED TO IAD. MAINTENANCE INSPECTED AND REMOVED AND REPLACED THE SPS COMPUTOR, RT AFT MLG DOWNLOCK PROX SWITCH, SWAPPED THE RT MLG FWD PROX SWITCH WITH THE LT MLG DOWNLOCK PROX SWITCH. SYSTEM OPS CHECKED GOOD.

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