# SDR YENA2022092300948

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2022
- Submitted: September 26, 2022
- Operation: Air carrier
- Aircraft: N238JB
- Make and model: Emb EMB110*
- Aircraft serial: 039
- Aircraft time: 42,445 hours, 27,432 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: None
- Part number: 34002210
- Part serial: 007478
- Condition: Failed
- Location: Emer-Batt-Ctr-Rh
- Part time: 30,649 hours, 20,309 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YENA2022092300948

## Discrepancy

FLT#2355, BOS-DCA. 'WHEN PERFORMING TASK CARD E190-33-50-25-710-801.EXTERNAL EMERGENCY LIGHT TEST. FOUND LH MIDDLE LIGHT INOP. (EXTERNAL EMERGENCY OPS NOT CONDUCTED AT NIGHT); REMOVED & REPLACED ELPU# 5 OPS CK NORMAL MM 33-50-11 THIS CLEARS MDDR 486205. PLACARD REMOVED. MX-4 UPDATED. MCC NOTIFIED.'  (SUPPLEMENTAL INFORMATION ADDED TO DESCRIPTION)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.