Service difficulty report · Shutoff Valve · Boeing 7673G5

Difficulty date
April 18, 2010
Submitted
April 21, 2010
Operation
Air carrier
Aircraft
N586HA
Make and model
Boeing 7673G5
Aircraft serial
24259
Aircraft time
91,445 hours, 17,368 cycles
Part
Shutoff Valve
Part number
3964621
Part serial
1107
Condition
Malfunctioned
Location
A/C Pack
Part time
4,512 hours, 759 cycles
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
D

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

What was found

ETOPS SIGNIFICANT SYS- BTB INOP AND PACK OFF LIGHT ILLUMINATED FR LT PACK - WOULD NOT RESET. R & R LT FLOW CONTROL AND SHUTOFF VALVE IAW AMM 21-51-01, RAN ENGINE ON GROUND, NO DEFECTS NOTED, OPS CHECKS GOOD.

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