SDR DL757001257

Service difficulty report · Actuator · Boeing 757232

Difficulty date: July 4, 2000
Submitted: July 14, 2000
Operation: Air carrier
Aircraft: N606DL
Make and model: Boeing 757232
Aircraft serial: 22813
Aircraft time: 51,174 hours, 27,905 cycles
System (JASC): 2133 · Pressure Regulator/Outflow Valve
Part: Actuator
Part number: 20224806
Part serial: 12142
Condition: Failed
Location: Outflow Valve
Stage of operation: CL
How discovered: O
Nature of condition: G
Precautionary procedure: A

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

What was found

ON TAKEOFF PASSING 5,000, RECEIVED CABIN AUTO INOP EICAS CAUTION MSG AND CABIN ALT AUTO 1 AND 2 STATUS MSG. SELECTED MANUAL BUT UNABLE TO MOVE OUTFLOW VLV, UNABLE TO PRESS AIRCRAFT. FOUND OUTFLOW VLV ACTUATOR CAP BROKEN OFF. REPLACED ACTUATOR ASSY, CKS OK. PRESSURIZED A/C, NO PROBLEMS NOTED.