SDR NOCA10206

Service difficulty report · Servo Valve · Boeing 75728A

Difficulty date
July 6, 2006
Submitted
July 14, 2006
Operation
Air carrier
Aircraft
N756NA
Make and model
Boeing 75728A
Aircraft serial
32448
Part
Servo Valve
Part number
A718822
Part serial
38701
Condition
Inoperative
Location
Autopilot Sys
Stage of operation
AP
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

TR AUTO PILOT DID NOT ENGAGE IN APPROACH MODE -NO LAND 3- ON AUTOLAND STATUS. REMOVED AND REPLACED RT APCS SERVO VALVE ON ACTUATOR 273 IAW MM 22-12-02. PERFORMED OPS CHK OF APCS SERVO VALVE PER MM 22-12-02. MCDP GRD TEST NR 8 DONE IAW MM 22-00-02. ALSO PERFORMED AFDS SYS & OPERATIONAL CHK IAW 22-10-00. OPS CHECK OK.

More about the Boeing 757-28A