# SDR UPS99229607

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 14, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N925UP](https://openairdocs.org/aircraft/N925UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19230
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Airstair
- Condition: Out Of Adjust
- Location: Aft Fuselage
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS99229607

## Discrepancy

INSPECTION TYPE:SI, AFT AIRSTAIR LIGHT ILLUMINATED IN FLT.  VISUAL INSPECTION OF STAIR AREA SHOWED FLEXING OF DOOR ARMS INDICATIVE OF UNLOCK CONDITION.  DOOR LIGHT WENT OUT WITH INITAIL FLAP SELECTION TO 2 DEGREES (POSSIBLE AIRFLOW CHANGE ON DOOR/STAIR AREA).  FOUND AFT AIRSTAIR POSITION PROXIMITY SWITCH TO BE OUT OF ADJUSTMENT.  ADJUSTED SWITCH PER MM 52-70-01 PARA E PAGE 508.  FUNCTIONALLY TESTED PER MM 52-70-01 PARA 2 PG 509, NO FURTHER DISCREPANCIES NOTED.

---
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.