SDR UIEA2018092102024

Service difficulty report · Unknown · Boeing 76736N

Difficulty date: September 16, 2018
Submitted: September 21, 2018
Operation: Air carrier
Aircraft: N1049A
Make and model: Boeing 76736N
Aircraft serial: 30109
Aircraft time: 79,581 hours, 10,533 cycles
System (JASC): 2230 · Auto Throttle System
Part: Unknown
Condition: Malfunctioned
Location: Autothrottle Sys
Stage of operation: DE
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

ON INITIAL DESCENT FROM FL390 TO FL 370. THROTTLE DEVELOPED A SIGNIFICANT SPLIT, RT ENGINE WOULD THEN NOT ACCELERATE ABOVE 87.7 N1 REGARDLESS OF AUTOTHROTTLE ENGAGEMENT. PERFORM PER ACCORDANCE TEST IAW AMM 71-00-00. ALL ENG PARAMETERS NORMAL, NO THROTTLE SPLIT. ACCOMPLISHED THRUST MANAGEMENT SYSTEM OPERATIONAL TEST IAW AMM 22-32-00, SYSTEM OPS TEST NORMAL.

More about the Boeing 767-36N