Service difficulty report · Position Switch · Boeing 777223

Difficulty date
January 8, 2026
Submitted
January 10, 2026
Operation
Air carrier
Aircraft
N757AN
Make and model
Boeing 777223
Aircraft serial
32636
Aircraft time
91,276 hours, 11,850 cycles
Part
Position Switch
Part number
624EN388R
Condition
Inoperative
Location
Zone 800
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

AIRCRAFT IN BASE MAINTENANCE: WHILE PERFORMING EPAS BATTERY OPS CHECK (AMM 52-11-20-700-803-002) THE AMBER SQUIB CONTINUITY LIGHT ON THE EPAS BATTERY PACK DOES NOT ILLUMINATE AT DOOR 1L. MAINTENANCE REPLACED DOOR OPEN SWITCH S52125 IAW AMM 52-11-28.