SDR ASAA2019091130669

Service difficulty report · Unknown · Boeing 737990ER

Difficulty date: September 11, 2019
Submitted: September 12, 2019
Operation: Air carrier
Aircraft: N464AS
Make and model: Boeing 737990ER
Aircraft serial: 40714
Aircraft time: 21,693 hours, 6,935 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Unknown
Condition: Malfunctioned
Location: Cockpit
Stage of operation: TX
How discovered: O
Nature of condition: N
Precautionary procedure: D

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

What was found

JUST PRIOR TO PUSH-BACK, NOTICED MAP ON FO NAV DISPLAY. FMC POSITION PAGE SHOWED BLANK FOR RIGHT IRS. GROUNDED - YES. REALIGNED RIGHT IRS AND MAP ON FO NAV DISPLAY WENT AWAY, RIGHT IRS SHOWS POSITION, NO FURTHER DEFECTS NOTED AMM REF 34-61-00 GROUND VERIFICATION SUCCESSFUL.