Narrative:

Planned for 22L arrival. On initial contact with arrival 22R was assigned.on short final GPWS constant 'below glide slope' call-outs. PAPI was all red. Noticing red side lights and PAPI location; I stated 'displaced-threshold'; captain responded something like 'yes or got-it'. He reacted as if to land beyond. Power/pitch. Landed close to displaced threshold; unsure if beyond or not.change of planned runway. Lack of attention to airport diagram.

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Original NASA ASRS Text

Title: B737 flight crew reported possibly landing before the displaced threshold by mistake.

Narrative: Planned for 22L arrival. On initial contact with arrival 22R was assigned.On short final GPWS constant 'below glide slope' call-outs. PAPI was all red. Noticing red side lights and PAPI location; I stated 'displaced-threshold'; Captain responded something like 'yes or got-it'. He reacted as if to land beyond. Power/Pitch. Landed close to displaced threshold; unsure if beyond or not.Change of planned runway. Lack of attention to airport diagram.

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.