SDR HALA2010072200316

Service difficulty report · Shutoff Valve · Boeing 76733A

Difficulty date: July 22, 2010
Submitted: July 23, 2010
Operation: Air carrier
Aircraft: N589HA
Make and model: Boeing 76733A
Aircraft serial: 33422
Aircraft time: 29,949 hours, 5,638 cycles
System (JASC): 3610 · Pneumatic Distribution System
Part: Shutoff Valve
Part number: 77328810
Part serial: 200207022
Condition: Malfunctioned
Location: Bleed Air Sys
Part time: 29,947 hours, 5,636 cycles
Stage of operation: DE
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

ETOPS SIGNIFICANT SYSTEM - "R ENG BLEED OFF" EICAS MSG DISPLAYED FOR 5 MINUTES WITH ASSOC LOW DUCT PRESS AT TOD MSG EXTINGUISHED AT 25000FT. PERFORMED FIM 36-10-00, FIG 115 "R ENG PRSOV" FAULT. REMOVED RT ENG PRSOV PER AMM36-11-09, INSTALL PENDING. INSTALLED RT PRSOV PER AMM 36-11-09. LEAK CHECK OK, OPS CHECK OK.

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