# SDR 2011FA0000531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2011
- Submitted: August 19, 2011
- Operation: General aviation
- Aircraft: [N201SG](https://openairdocs.org/aircraft/N201SG), registered now
- Make and model: Mooney M20J
- Registry model: [Mooney M20J](https://openairdocs.org/model/mooney-m20j) (OpenAirDocs)
- Aircraft serial: 240178
- System (JASC): [2562 · Emergency Locator Beacon](https://openairdocs.org/jasc/2562)
- Part: Battery
- Part number: MN1300
- Condition: Leaking
- Location: Elt
- Component: Elt, Ack
- Component part number: E01
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2011FA0000531

## Discrepancy

ELT REMOVED FOR FAR 91.207D INSP  WHITE POWDER NOTED AT PARTING SURFACE BETWEEN TRANSMITTER AND BATTERY COMPARTMENT.  DISASSEMBLED ELT AND FOUND 6 OF 8 D-CELL BATTERIES LEAKING AND RUPTURED. ANY ELT USING INDIVIDUAL UNSEALED BATTERIES SHOULD HAVE ALL BATTERIES REPLACED YEARLY.

---
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.