Service difficulty report · Unknown · Boeing 737890

Difficulty date
November 14, 2021
Submitted
November 18, 2021
Operation
Air carrier
Aircraft
N530AS
Make and model
Boeing 737890
Aircraft serial
36578
Aircraft time
41,086 hours, 12,004 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
LD
How discovered
V
Nature of condition
J
Precautionary procedure
O

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

What was found

A/P P/RST LIGHT ON AUTOLAND ANNUNCIATOR PANEL ILLUMINATED. GROUNDED - YES. FMC'S NO FAULTS, DFCS-CURRENT STATUS-PASS. ADIRS L&R-NO FAULTS. A/P WARNING LIGHT ON AND COULD NOT BE RESET. DURING DFCS BITE-STATUS-AUTOPILOT TEST 11.62 A/P WARNING LIGHT ON BOTH ANNUNCIATORS REMAINED ON. DURING SHAKEDOWN OF WIRES BEHIND FCC-A, BOTH A/P WARNING LIGHTS EXTINGUISHED. SUSPECT WIRING PROBLEM ON E1-1 RACK. RANG OUT AND MERGED WIRING ON E1-1 REF LOG PAGE # 60205804 FOR CONNECTOR D235 DEFECT. VISUAL INSPECTION OF ALL WIRING ON E1-1 SHELF RESULTED IN NO DEFECTS FOUND. REPLACED CONNECTOR D235 ON L/P 60205805, REF MIG-2C'S FOR E1-1 RACK ACCESS, REMOVAL, INSTALLATION, AND LRU OPS TESTS.