Service difficulty report · Sequence Valve · Boeing 757230

Difficulty date
July 20, 2017
Submitted
August 4, 2017
Operation
Air carrier
Aircraft
N997FD
Make and model
Boeing 757230
Aircraft serial
24738
Aircraft time
64,177 hours, 24,172 cycles
Part
Sequence Valve
Part number
098C00210
Part serial
2774
Condition
Leaking
Location
Mlg
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

FOLLOWING GEAR UP CALL, HANDLE UP, DOORS, GEAR DISAGREE LIGHTS ILLUMINATED, GEAR DISAGREE EICAS MESSAGE FOLLOWED. CLEANED UP A/C ON SCHEDULE ACCELERATED TO 250 KIAS, A/C CONFIGURATION CLEAN BY 5900 MSL, DISAGREE LIGHTS AND MESSAGES EXTINGUISHED. PSEU FAULTS 241 R GEAR DOOR CLOSED, TARGET LIGHT ILLUMINATED 239 R GEAR UP & LOCKED - TARGET LIGHT ILLUMINATED 072 R GEAR DOOR CLOSED, TARGET LIGHT ILLUMINATED 069 R GEAR UP & LOCKED, TARGET LIGHT ILLUMINATED, COMPLIED WITH THE LT MLG TRUCK TILT SENSOR TEST IAW MM 32-09-07-2, NO DEFECTS NOTED, ACFT OK FOR SERVICE. ALSO SERVICED LEFT SYSTEM HYD TO SERVICABLE LIMITS IAW MM 12-12-01-3-0. REGARDING ABOVE MENTIONED PSEU FAULTS, ADJUSTED CLEARANCE OF RT MAIN GEAR DOOR CLOSED SENSORS S10072, AND S10241 IAW MM 32-61-02-2. OPS CHECKED GOOD. REMOVED AND INSTALLED LEFT GEAR TRUCK POSITION ACTUATOR IAW AMM 32-32-15-4. R & R THE UPLOCK SEQUENCE VALVE ASSY IAW AMM 32-32-09.