SDR NOCA16806

Service difficulty report · Shutoff Valve · Boeing 75728A

Difficulty date
October 18, 2006
Submitted
October 20, 2006
Operation
Air carrier
Aircraft
N756NA
Make and model
Boeing 75728A
Aircraft serial
32448
Part
Shutoff Valve
Part number
EM91793
Part serial
81124124
Condition
Malfunctioned
Location
Hyd System
Stage of operation
CL
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

LE SLAT ASYM EICAS MSG AND LEADING EDGE LIGHT ON DEPARTURE UPON FLAP ACTUATION. ALSO C HYD SYS WHITE LIGHT ON P61 PANEL. PERFORMED FIM TASK 32-09-03 FIG 103PSEU BITE TEST, NO FAULTS DISPLAYED ALSO VISUALLY INSPECTED ALL LEADING EDGE SLAT. NO TARGET DAMAGED ALSO PERFORMED FSEU BITE TEST PER 27-51-01, NO FAULTS DISPLAYED. REMOVED AND REPLACED ADP PER MM 29-11-03, NO HELP. REMOVED AND REPLACED CENTER HYDRAULIC SYSTEM ISOLATED ACMP SHUT-OFF VALVE. PER MM 29-11-08 OPS CHECK AND LEAK CHECK NORMAL.

More about the Boeing 757-28A