# SDR Q2SA754008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2009
- Submitted: November 30, 2009
- Operation: Air carrier
- Aircraft: N754SA
- Make and model: Boeing 747228F
- Aircraft serial: 21576
- Aircraft time: 116,457 hours, 22,891 cycles
- System (JASC): [3097 · Ice/Rain Protection System Wiring](https://openairdocs.org/jasc/3097)
- Part: Connector
- Condition: Loose
- Location: Window Heat
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Q2SA754008

## Discrepancy

NR 1 LEFT L1 LOWER LOCK WIRE SMOKES IN FLIGHT EACH TIME HEAT CYCLES TO WINDOW.  RE-SECURED L1 WINDOW HEAT CONNECTIONS AND OPS CHECKED IAW B747 AMM 30-40-00.  OPS CHECK GOOD, NO DEFECTS NOTED.  ADDITIONALLY, PERFORMED SMOKE IN CABIN INSPECTION IAW AMM 5-51-00 PG 201.  NO DEFECTS NOTED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
