# SDR ASAA2026042665733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 26, 2026
- Submitted: April 28, 2026
- Operation: Air carrier
- Aircraft: [N453AS](https://openairdocs.org/aircraft/N453AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 36354
- Aircraft time: 45,375 hours, 14,211 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Door
- Condition: Binding
- Location: Zone 800
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2026042665733

## Discrepancy

FA REPORTS L1 DOOR HANGS UP AND MAKES A GROANING NOISE DURING OPENING AND CLOSING. GROUNDED - YES. INSPECTED DOOR, SOUND APPEARS TO BE ORIGINATING FROM TOP HINGE, NO OTHER DEFECTS NOTED. LUBRICATED UPPER HINGE, ROLLERS AND TRACKS, NOISE MINIMIZED, ONLY NOTABLE ON CLOSURE FROM THE INSIDE INTERMITTENTLY.DOOR OPERATION NORMAL, OK FOR SERVICE.REF AMM 52-11-00 FOR OPS CHECK INSPECTION REF AMM 12-25-11.

---
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.