SDR AALA2020050419010

Service difficulty report · Fseu · Boeing 777223

Difficulty date: April 30, 2020
Submitted: May 4, 2020
Operation: Air carrier
Aircraft: N795AN
Make and model: Boeing 777223
Aircraft serial: 30257
Aircraft time: 75,919 hours, 9,705 cycles
System (JASC): 2751 · Trailing Flap Position Indicating System
Part: Fseu
Condition: Failed
Location: Te Flap
Stage of operation: DE
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

AIRCRAFT WAS GROUNDED. OVERSPEED IN DECENT 325 INDICATED RED WARNING AND AUDIO 10 SECONDS VNAV FAILED, CLEAN CONFIGURATION UNCOMMANDED NOSE DROP. PERFORMED MODE CONTROL PANEL OPS CHECKS. PER WORK CARD 05-96-02 OVERSPEED CONDITION IS WITHIN LIMITS. REPLACED FSEU 1 PER AMM 27-51-01.