# SDR USAASB98007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 10, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N300AU](https://openairdocs.org/aircraft/N300AU), registered now
- Make and model: Boeing 737301
- Aircraft serial: 23228
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Door Seal
- Part number: 10604765
- Condition: Not Seated
- Location: Passenger Door
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAASB98007

## Discrepancy

SDF - FLT 425 - AUTO-FAIL LIGHT ON PRESSURIZATION PANEL ILLUMINATED SHORTLY AFTER TAKEOFF.  OUTFLOW VALVE SHOWED CLOSED.  CREW COULD NOT PRESSURIZE AIRCRAFT IN STANDBY OR AUTO.  FLIGHT RETURNED TO FIELD AT SDF AND LANDED WITHOUT FURTHER INCIDENT.  NO EMERGENCY WAS DECLARED.  MAINTENANCE FOUND THE AFT LEFT ENTRY DOOR SEAL TWISTED AND NOT SEATED PROPERLY.  ADJUSTED AND SEATED SEAL.  PRESSURIZED AIRCRAFT ON GROUND.  OPS CHECK GOOD MER MM.  (X)

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.