# SDR AALA201909309013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 27, 2019
- Submitted: September 30, 2019
- Operation: Air carrier
- Aircraft: [N904NN](https://openairdocs.org/aircraft/N904NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33317
- Aircraft time: 22,080 hours, 9,119 cycles
- System (JASC): [3340 · Exterior Lighting](https://openairdocs.org/jasc/3340)
- Part: Terminal Block
- Condition: Burned
- Location: Taxi Light
- 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/AALA201909309013

## Discrepancy

AIRCRAFT WAS GROUNDED: MAINTENANCE FOUND THE NOSE GEAR TAXI LIGHT TERMINAL BLOCK HAS BURNT PINS AT TB40. MAINTENANCE REPLACED TERMINAL BLOCK TB40 IAW SWPM 20-83-01. REWIRED IAW WDM 33-45-11 AND OPS CHECK NOSE TAXI LIGHT IAW AMM 33-45-01. OPS CHECK FOUND NORMAL.

---
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.