SDR IXXA20141001023

Service difficulty report · Valve · Boeing 757232

Difficulty date: September 29, 2014
Submitted: October 1, 2014
Operation: Air carrier
Aircraft: N620DL
Make and model: Boeing 757232
Aircraft serial: 22910
Aircraft time: 78,513 hours, 39,603 cycles
System (JASC): 5230 · Cargo/Baggage Doors
Part: Valve
Part number: 007H61053
Condition: Defective
Location: Cargo Door
Stage of operation: DE
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

MAIN CARGO DOOR WARNING LIGHT DISPLAYED & CABIN PRESS NOT WITHIN PARAMETERS. CREW NOTED PRESSURIZATION AS DECREASING. BITE CHECK OF BOTH CABIN PRESS CONTROLLERS ACCOMPLISHED IAW FIM 21-30 FT 802. SYSTEMS CHECKED SATISFACTORY, NO FAULTS NOTED. HOLDING VLV ASSEMBLY REMOVED, REPLACED & FUNCTIONALLY TESTED IAW PRECISION CONVERSION MM 52-30-00 & MM 20-00-00. OPERATIONAL CHECK SATISFACTORY. ACFT PRESSURIZED TO 5.0 PSID FOR INTEGRITY CHECK OF VLV ASSEMBLY. OPERATIONS CHECKED SATISFACTORY. NO LEAKS NOTED.