SDR 251TR0002

Service difficulty report · Vane · Boeing 737228

Difficulty date: July 9, 2002
Submitted: July 15, 2002
Operation: Air carrier
Aircraft: N251TR
Make and model: Boeing 737228
Aircraft serial: 23792
Aircraft time: 29,444 hours, 24,332 cycles
System (JASC): 2230 · Auto Throttle System
Part: Vane
Stage of operation: CR
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

Reference DMIReference DMI #0702001, Auto throttle will not engage with Capt. F/D chosen and go to max EPR in cruise flt. T/S system. Found Alpha vane failed & #2 auto throttle servo intermittent. Removed #1 AOA sensor, installed serviceable #1 AOA sensor I/A/W MM 27-32-11, Ops chk. good I/A/W MM 22-11-381. Removed #2 auto servo, installed serviceable auto servo mech. I/A/W MM 22-31-01, ops. chk. good. This clears DMI # 0702001. Placard removed.