Service difficulty report · Bulb · Boeing 757222

Difficulty date
February 4, 2026
Submitted
February 5, 2026
Operation
Air carrier
Aircraft
N770FD
Make and model
Boeing 757222
Aircraft serial
24743
Aircraft time
84,772 hours, 34,420 cycles
Part
Bulb
Part number
P78749001
Condition
Failed
Location
Zone 200
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

DURING MX PRE-FLIGHT, FOUND L1 OVERHEAD EMERGENCY EXIT SIGN DIM. AMM: 33-51-01-2 REMOVED AND REPLACED 12 FAULTY BULBS IN THE L1 OVERHEAD EMERGENCY EXIT SIGN AS PER ABOVE REF. OPS CHECK GOOD. A/C OK FOR SERVICE.