SDR AALA2020090869034

Service difficulty report · Computer · Boeing 737823

Difficulty date: September 4, 2020
Submitted: September 8, 2020
Operation: Air carrier
Aircraft: N804NN
Make and model: Boeing 737823
Aircraft serial: 29567
Aircraft time: 34,322 hours, 13,754 cycles
System (JASC): 2211 · Autopilot Computer
Part: Computer
Part number: 8221604102
Condition: Inoperative
Location: Flght Director
Stage of operation: CL
How discovered: O
Nature of condition: P
Precautionary procedure: O

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

What was found

AIRCRAFT WAS NOT GROUNDED: DURING TAKEOFF AND CLIMB, CAPTAIN'S FLIGHT DIRECTOR IS NOT PROVIDING INFO OR IS UNDEPENDABLE, SYSTEM SELF-CORRECTS ABOVE APPROXIMATELY 3,000-4,000 FT. FLIGHT DIRECTOR DEFERRED ON MEL 34-07B FOR CONTINUED OPERATION. REPLACED FCC-B WITH NEW IAW AMM 22-11-33, OPS CHECK GOOD.