SDR CALA2015062600529

Service difficulty report · Computer · Boeing 737824

Difficulty date: June 26, 2015
Submitted: June 26, 2015
Operation: Air carrier
Aircraft: N73291
Make and model: Boeing 737824
Aircraft serial: 33454
Aircraft time: 36,332 hours, 12,357 cycles
System (JASC): 2211 · Autopilot Computer
Part: Computer
Part number: 8221604101
Condition: Failed
Location: Autopilot Sys
Stage of operation: CL
How discovered: O
Nature of condition: G
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 MULTIPLE FAILURES IN NR 1 NAV SYS INCLUDING NO F/D, PWS FAIL, CONTINUOUS WARNING HORN, UNSILENCEABLE, BOTH F/D INDICATED "MA", RADIO ALTITUDE INOPERATIVE, NR 1 SPEED BUG INOPERATIVE. FOUND FCC-A FAILED, REPLACED FCC-A IAW MM22-11-33. OPERATIONS CHECKED GOOD. REPLACED FOUR LRRA ANTENNAE IAW 34-33-11.