# SDR USAASB00179

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 2000
- Submitted: September 5, 2000
- Operation: Air carrier
- Aircraft: [N576US](https://openairdocs.org/aircraft/N576US), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23741
- System (JASC): [2433 · DC Rectifier/Converter](https://openairdocs.org/jasc/2433)
- Part: Transformer
- Part number: 1032575
- Condition: Overheated
- Location: E/E Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB00179

## Discrepancy

MDT - FLT 1924 - EN ROUTE FROM ROC TO DCA, F/A NOTIFIED CAPTAIN THAT THERE WAS A STRONG BURNING ELECTRICAL ODOR IN THE CABIN.  CAPT MADE A RAPID DESCENT, DECLARED AN EMERGENCY AND DIVERTED TO THE FIRST SUITABLE AIRPORT AT MDT.  FLHT LANDED W/O FURTHER INCIDENT AND TAXIED TO THE GATE UNDER ITS OWN POWER.  MX FOUND A VERY STRONG ELECT BURNED ODOR FROM ALL 3 TRANSFORMER RECTIFIER UNITS.  ALL 3 TRU''''S HAD DUST CLOGGING THE COOLING EXTRACTION VENTS.  ELECT SHELF WAS FOUND SCORED ALSO.  CLEANED E/E SHELF AND REPLACED ALL 3 TRU''''S AS PRECAUTIONARY PER MM.  OPS CHECK GOOD.  VISUAL, ODOR AND TOUCH SURVEY OF RESET OF E/E COMPARTMENT WAS NORMAL.  ALSO, REPLACED NORMAL EQUIPMENT COOLING BLOWER (P/N 6577-1) AS PRECAUTIO

---
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.