# SDR UIEA200700104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2007
- Submitted: March 14, 2007
- Operation: Air carrier
- Aircraft: N524MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21784
- Aircraft time: 93,958 hours, 19,481 cycles
- Engine: Ge CF650E2
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Doubler
- Condition: Cracked
- Location: Bs 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA200700104

## Discrepancy

BS 800 STR 19R DOOR CUTOUT DOUBLER FOUND CRACKED.  REPAIRED PER BOEING MESSAGE 1-285788451-4.  TRIMMED AND REMOVED DAMAGED FRAME STRAP NDT AREA.  FABRICATED REPAIR STRAP AND DOUBLER.  ALODINED AND COATED WITH BMS 5-95 BETWEEN MATING SURFACE.  INSTALLED HI LOCKS WET WITH BMS 5-95.

---
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.