Service difficulty report · Switch · Boeing 76731K

Difficulty date
September 8, 2020
Submitted
September 10, 2020
Operation
Air carrier
Aircraft
N1489A
Make and model
Boeing 76731K
Aircraft serial
27206
Aircraft time
107,925 hours, 21,397 cycles
Part
Switch
Part number
43367310044074
Part serial
NSN
Condition
Malfunctioned
Location
Isolation Valve
Stage of operation
IN
How discovered
O
Nature of condition
P
Precautionary procedure
K

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

What was found

LT ISOLATION VALVE INDICATION LIGHT INOP. TRANSFERRED TO MDDR 134049 IAW MEL 36-22-04-01, CAT C. REMOVED AND REPLACED KORRY SWITCH, OPS GOOD. THIS CLEARS DMI #134049, IAW AMM 33-13-00. TIME INITIAL-DC 1135Z.

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