SDR SWAA2026092890492

Service difficulty report · Wire · Boeing 7378H4

Difficulty date: August 27, 2026
Submitted: September 29, 2026
Operation: Air carrier
Aircraft: N8643A
Make and model: Boeing 7378H4
Aircraft serial: 42524
Aircraft time: 39,924 hours, 19,432 cycles
System (JASC): 3397 · Light System Wiring
Part: Wire
Condition: Broken
Location: Zone 200
Stage of operation: IN
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

BROKEN WIRE FOUND AT BS 500C, S11L. REPAIRED THE WIRE W3142-0503 22 IAW SWPM 20-10 20-30, AND WDM 33-51-11. PERFORMED GOOD CONTINUITY CHECK FROM CONNECTOR D13018 TO CONNECTOR D40096P W1342-0503-22 IAW WDM33-51-11, PAGE 11, SHEET 1, AND PERFORMED GOOD OPS TEST OF EMERGENCY LIGHTS IAW AMM 33-51-00-710-801.

More about the Boeing 737-8H4