Air carrier first officer reported traversing through an old; unused and uncharted taxiway which had...

Narrative:

Landed at night at clt on 18C. Taxied clear left on sierra and instructed to taxi north on east to the ramp. Gate XXX. Inclement weather/raining. E14 was our planned turn-in to the ramp. As we approached it; however; there was an old unused and uncharted taxiway just prior to E14; [to the] south of it; that had taxiway lights blocking its entrance; protruding from the pavement. These lights; for whatever reason; were unlit. We had a brief discussion about how easy it would be for a crew to possibly bite off on that turn at night while in inclement weather. The following day we noticed there were large yellow X's painted on that old taxiway as well; but these were not visible at night with very wet taxiway surface conditions.recommend contacting airfield operations about the unlit lights and possibly adding a blurb in the airport pages to note this potential hazard to preclude crews from inadvertently using the old taxiway and taxiing over these unlit taxiway lights.

Original NASA ASRS Text

Title: Air carrier First Officer reported traversing through an old; unused and uncharted taxiway which had taxiway lights installed in the pavement but were unlit; posing a potential hazard.

Narrative: Landed at night at CLT on 18C. Taxied clear left on Sierra and instructed to taxi north on E to the ramp. Gate XXX. Inclement weather/raining. E14 was our planned turn-in to the ramp. As we approached it; however; there was an old unused and uncharted taxiway just prior to E14; [to the] south of it; that had taxiway lights blocking its entrance; protruding from the pavement. These lights; for whatever reason; were unlit. We had a brief discussion about how easy it would be for a crew to possibly bite off on that turn at night while in inclement weather. The following day we noticed there were large yellow X's painted on that old taxiway as well; but these were not visible at night with very wet taxiway surface conditions.Recommend contacting Airfield Operations about the unlit lights and possibly adding a blurb in the airport pages to note this potential hazard to preclude crews from inadvertently using the old taxiway and taxiing over these unlit taxiway lights.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.

Attributes
ACN	1713974
Time
Date	201912
Local Time Of Day	0001-0600
Place
Locale Reference	CLT.Airport
State Reference	NC
Environment
Light	Night
Aircraft 1
Make Model Name	Large Transport
Operating Under FAR Part	Part 121
Flight Phase	Taxi
Flight Plan	IFR
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 221
Events
Anomaly	Deviation - Procedural Published Material / Policy

Air carrier first officer reported traversing through an old; unused and uncharted taxiway which had taxiway lights installed in the pavement but were unlit; posing a potential hazard.