Service difficulty report · Unknown · Boeing 737990ER

Difficulty date
August 17, 2023
Submitted
August 21, 2023
Operation
Air carrier
Aircraft
N461AS
Make and model
Boeing 737990ER
Aircraft serial
36363
Aircraft time
35,199 hours, 11,000 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

DURING AN IDLE LEAK CHECK ON THE #1 ENG. FOUND RIGHT VSV ACTUATOR LEAKING AT A RATE OF 5 DROPS PER MIN. AFTER THE 5 MIN. IDLE RUN. LEAK RATE WITHIN 0-90 DROPS PER MIN. REF AMM 71-71-00-200-801-F00 FIG. 605 SHEET 1. GROUNDED - YES. ON DEFERRAL.