SDR QXEA2025101400319

Service difficulty report · Switch · Emb ERJ170200LR

Difficulty date: October 13, 2025
Submitted: October 14, 2025
Operation: Air carrier
Aircraft: N665QX
Make and model: Emb ERJ170200LR
Aircraft serial: 17000965
Aircraft time: 3,602 hours, 3,202 cycles
System (JASC): 2620 · Extinguishing System
Part: Switch
Part number: 4800713
Condition: Failed
Location: Zone 200
Stage of operation: IN
How discovered: O
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

DURING TASK CARD E175-26-22-09-720-801-A FUNCTIONAL TEST OF THE APU FIRE EXTINGUISHING SWITCH HARDWARE, THE TEST FAILED. REMOVED FIRE PANEL IAW AMM 26-20-01-000-801-A, REPLACED THE APU FIRE SWITCH IAW SPWM 20-33-01, REINSTALLED FIRE PANEL IAW AMM 26-20-01-400-801-A, OPS CHECK GOOD. APU SWITCH FUNC CHECK AMM 26-22-09-720-801-A, CHECKS GOOD.

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