Service difficulty report · Wire · Boeing 7377H4

Difficulty date
July 10, 2024
Submitted
August 2, 2024
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
66,062 hours, 39,438 cycles
Part
Wire
Condition
Chafed
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

EMERGENCY LIGHT WIRES ARE CHAFED BS757 BETWEEN S-21R AND S-22R<[01] REPAIRED CHAFFED WIRES AT BS757 BETWEEN S-21R AND S-22R PER SWPM 20-30-12. <BR><BR>FUNCTIONAL CHECK OF EMERGENCY LIGHTS TO BE PERFORMED ON CCN TTG8Q00U2CNM;[02] VERIFIED COMPLETION CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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