Service difficulty report · Switch · Textrn TEXTRON700

Difficulty date
May 27, 2026
Submitted
May 28, 2026
Operation
Air carrier
Aircraft
N855QS
Make and model
Textrn TEXTRON700
Aircraft serial
7000107
Aircraft time
2,861 hours, 1,664 cycles
Engine
Hnywl AS90721S
Part
Switch
Part number
2718964
Part serial
3580
Condition
Faulty
Stage of operation
TO
How discovered
V
Nature of condition
J, O
Precautionary procedure
A

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

What was found

AFTER TAKEOFF AMBER ENG CTRL FAULT L ILLUMINATED. REMOVED DEFECTIVE LH DUAL FUNCTION TEMP/BYPASS SW PN: 2718964 SN: 3580. INSTALLED CANNABALIZED/SERVICEABLE DUAL FUNCTION TEMP/BYPASS SW PN: 2718964 SN: 4147 FROM AIRCRAFT N890QS S/N 700-0150. ENGINE RUNS LEAK/OPS CHECK GOOD. WORK IAW LMM 73-30-05.