SDR R61A2025121600546

Service difficulty report · Power Supply · Emb ERJ170200LR

Difficulty date: December 20, 2025
Submitted: December 22, 2025
Operation: Air carrier
Aircraft: N131HQ
Make and model: Emb ERJ170200LR
Aircraft serial: 17000215
Aircraft time: 43,968 hours, 33,272 cycles
System (JASC): 3400 · Navigation System
Part: Power Supply
Part number: 70244401903
Part serial: 07109156
Condition: Faulted
Location: Nr 2 Mau
Part time: 4,397 hours, 33,275 cycles
Component: Mau
Component part number: 70244401901
Stage of operation: DE
How discovered: O
Nature of condition: G
Precautionary procedure: O

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

What was found

DURING DECENT INTO JFK THEY HAD A MAU2B FAIL, RECEIVED MULTIPLE FAULT MESSAGES ELE L AND R FAIL, GND PROX FAIL, ADS 2 FAIL, TERRAIN FAIL, WINDSHEAR FAIL, ADSP 3 FAIL, TAT 2 FAIL EMERGENCY DECLARED, LANDED WITHOUT INCIDENT, REMOVED AND REPLACED POWER SUPPLY ON MAU 2, ALL FAULTS CLEARED NIC PROC 4 RESET PASSED.

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