SDR IPXA2023010489582

Service difficulty report · Warning Message · Boeing 75724APF

Difficulty date: January 1, 2023
Submitted: January 4, 2023
Operation: Air carrier
Aircraft: N461UP
Make and model: Boeing 75724APF
Aircraft serial: 28265
Aircraft time: 39,736 hours, 19,883 cycles
System (JASC): 2740 · Stabilizer Control System
Part: Warning Message
Condition: Illuminated
Location: Stab Trim
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

AIR TURN BACK AFTER DEPARTURE, GOT STAB TRIM FOLLOWED BY MACH/SPD TRIM EICAS AUTOPILOT DISCONNECTED AND AIRPLANE PITCHED NOSE OVER.BRKERS STB TRM CONT RT POS P11 H20 POPPED & RST MACH/SPD TRM EICAS ADVISRY MSG GNE. DMP 27-41-2 RT STCM RT A/P CH INOP. 22-02-00-815-834 FIG 107. R&R #3 FSEU, RH SAM MOD, RELAY K575 27-51-01, 27-41-05 SWPM 20-81-22 FIM 27-41-00-815-803 REPL STAB TRIM SW & MOD 27-48-01. IPC 27-48-51-02/20. TST PER 27-48-03-424-009. C/W TEST 27-41-00/501.

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