# SDR UIEA200600173

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 7, 2006
- Submitted: July 14, 2006
- Operation: Air carrier
- Aircraft: [N506MC](https://openairdocs.org/aircraft/N506MC), registered now
- Make and model: Boeing 747-2D3B
- Registry model: [Boeing 747-2D3B](https://openairdocs.org/model/boeing-747-2d3b) (OpenAirDocs)
- Aircraft serial: 21252
- Aircraft time: 86,538 hours, 17,938 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Structure
- Part number: 65B0431115
- Part serial: 000579
- Condition: Cracked
- Location: L4 Door
- Stage of operation: CR
- 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/UIEA200600173

## Discrepancy

MAIN CARGO DECK DOOR L-4, AT THE ML POSITION HAS A VERY HIGH VOLUME AIR LEAK LIKE A BIG VAC.  FOUND 8" CRACK IN FWD LWR CORNER OF 4L MED OUT OF LIMITS PER SRM 52-08-02.  REMOVED 4L MED INSP OK TO INSTALL.  INSTALLED 4L SERVICEABLE DOOR PER 52-11-01. NEEDS TO BE RIGG AND OPS CHECKED.  RIGGED AND OPS CK PER 52-11-01.

---
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.