Service difficulty report · Shutoff Valve · Boeing 767322

Difficulty date
April 1, 2013
Submitted
April 4, 2013
Operation
Air carrier
Aircraft
N658UA
Make and model
Boeing 767322
Aircraft serial
27113
Aircraft time
88,080 hours, 14,071 cycles
Engine
Pwa PW4060
Part
Shutoff Valve
Part number
79027013
Part serial
353
Condition
Faulty
Location
Bleed Air Sys
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

RIGHT ENG HPSOV EICAS AND ASSOCIATED ENG BLEED LIGHT ON INTER DURING DESCENT. DUE HISTORY RIGHT ENG HPSOV SECURED CLOSED IAW MEL 3611R. AIR SYSTEM BITE PERFORMED. NO FAULTS. ONLY SATIS MESSAGE RIGHT ENG HPSOV. REPLACED HPSOV PER AMM 36-11-07 PG 401, NEED TO PERFORM HEALTH CHECK ADJUSTMENT AND TEST PER REF 36-00-99 PG 501. RPL- :IAW AMM 36-11-07 WITH REPLACEMENT OF HPSOV AIR SUPPLY SYSTEM BITE CHECK IAW AMM NEEDS TO BE PERFORMED. PERFORMED AIR SUPPLY BITE CHECK AND RAN NR 2 ENGINE NO EICAS MSG OR BLEED LIGHT.