Service difficulty report · Switch · Boeing 7672B7

Difficulty date
January 14, 2014
Submitted
January 15, 2014
Operation
Air carrier
Aircraft
N251AY
Make and model
Boeing 7672B7
Aircraft serial
24764
Aircraft time
95,383 hours, 18,232 cycles
Part
Switch
Part number
PA100822
Condition
Failed
Location
Zone 200
Part time
79,846 hours, 14,791 cycles
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

SQUIB TEST FAILED TEST 2 EMERGENCY ESCAPE LIGHTS INOPERATIVE. R & R SQUIB PANEL, OPS CHECKED GOOD. UNIT FAILS FUNCTIONAL TESTING. LAMPS L1 & L2 ARE INTERMITTENT WHEN PRESSED. UNIT ALSO FAILS TO ILLUMINATE L5 WITH L5 & S2 PRESSED & NEGATIVE IS APPLIED TO J3-7. SWITCH S2 HAS AN OPEN CONTACT. ALL ITEMS R & R.

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