SDR ASAA2019032128715

Service difficulty report · Unknown · Boeing 737990ER

Difficulty date: March 21, 2019
Submitted: March 25, 2019
Operation: Air carrier
Aircraft: N492AS
Make and model: Boeing 737990ER
Aircraft serial: 44110
Aircraft time: 13,338 hours, 4,437 cycles
System (JASC): 2210 · Autopilot System
Part: Unknown
Condition: Malfunctioned
Location: Autoland Sys
Stage of operation: LD
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

UNSUCCESSFUL AUTOLAND ON SEA RWY 16R EXCEED GREATER THAN 35FT FROM CENTERLINE ON TOUCHDOWN. WAS CLEAR, WIND 190/11. GROUNDED - YES. ACCOMPLISHED AMM 22-00-01-730-803 MAINTENANCE TESTS FOR MEL 22-99C DFCS BITE GROUPS #60 AND 35. ALL DFCS BITE TESTS PASSED. ALSO ACCOMPLISHED HGS SYSTEM AND OPS TESTS PER SMM 34-36-00 HGS TEST PASSED. APPROACH SURVEY COMPLETED ON LOG PAGE 12006977. A/C RELEASED FROM MELS 22-20B, 22-99B AND 22-99C.