# SDR CALA2026071017656

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2026
- Submitted: July 10, 2026
- Operation: Air carrier
- Aircraft: [N16701](https://openairdocs.org/aircraft/N16701), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28762
- Aircraft time: 86,022 hours, 31,629 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Support Bracket
- Part number: 233A82031
- Condition: Damaged
- Location: Zone 200
- Stage of operation: CR
- How discovered: V
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026071017656

## Discrepancy

WINDOW HEAT FWD LT SIDE. SPARKS WERE SEEN IN COCKPIT FOR 10 SECS ONCE IT HAPPENED.  REMOVED GLARESHIELD, FOUND WIRES ARCING OFF FRAME.  CAPT WINDOW HEAT POWER WIRE APPEARS TO HAVE BEEN PINCHED BETWEEN WINDOW & GLARE SHIELD BRACKET.  WIRE INSULATION MELTED OFF. ARCING WIRE MELTED INTO GLARE SHIELD BRACKET 3/16 DEEP. WIRE BUNDLE TO GLARE SHIELD COMPONENTS OUTER PROTECTIVE ANTI CHAFE MELTED. CUT AWAY & INSPECTED WIRES. NO DAMAGE. VISUAL CHK OF WINDOW SHOWS NO DAMAGE.  PULLED CIRCUIT BREAKERS P-18 B1 B3 D1 D2 E1 E2 P6-3 A9 A10 P6-12 B8 B9.   REMOVED 4 INCHES OF DAMAGED WIRE END TO WINDOW LT FRONT 1 CONNECTION POINT 4 IAW WDM 30-41-11-8 PG8, WIRE W2108-1002-18 . SPLICED IN SECTION OF NEW WIRE  CLASS 1ME 00-0609-3-8161 & NEW TERMINAL END TO THE WINDOW. HEAT SHRINK PROTECTIVE TUBE OVER REPAIR.  WINDOW HEAT OPS CHKD FOR 1 HR ACOMPLISHED PART 1 OF ECRA 2511-01651. PERFORM PART 3 PERMANENT REPAIR WITH 2 FLT CYCLES ACOMPLISHED PART 1 OF ECRA 2511-01651. PERFORM PART 3 PERMANENT REPAIR WITH 2 FLT CYCLES.

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