Service difficulty report · Actuator · Boeing 737890

Difficulty date
July 21, 2011
Submitted
July 26, 2011
Operation
Air carrier
Aircraft
N568AS
Make and model
Boeing 737890
Aircraft serial
35183
Aircraft time
17,295 hours, 5,543 cycles
Part
Actuator
Part number
MA30A1001
Part serial
AA95588
Condition
Faulty
Location
Nr 2 Engine
Part time
17,336 hours, 5,556 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

RIGHT SPAR VALVE CLOSED LIGHT ILLUMINATED DIM ENGINE INDICATIONS ALL NORMAL. CHECKED NR 2 ENG SPAR VALVE CB NORMAL PERFORMED ENG NR 2 SPAR VALVE FAULT ISOLATION REF 28 22 00 GROUND VERIFICATION NORMAL. FOLLOWUP TSR ISSUED. REPLACED NR 2 ENG SPAR VLV ACTUATOR OPS CK. GOOD REF AMM 28 22 11.