# SDR UPS404648

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N689UP
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 20133
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Cracked
- Location: Nr 4 Door Cutout
- 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/UPS404648

## Discrepancy

WHILE ON GROUND, MAINTENANCE FOUND NR 4 LT DOOR LOWER HINGE CUTOUT IS CRACKED, VERIFIED WITH EDDY CURRENT.  MAINTENANCE REMOVED PANEL, DRILLED OUT RIVETS AND STOP DRILLED CRACK AND FABRICATED DOUBLER PER SRM 52-10-02.  THE WORK WAS PERFORMED IAW EO B747-5210-74684.

---
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.