# SDR UIEA2010080500132

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2010
- Submitted: August 5, 2010
- Operation: Air carrier
- Aircraft: N523MC
- Make and model: Boeing 747-2D7B
- Registry model: [Boeing 747-2D7B](https://openairdocs.org/model/boeing-747-2d7b) (OpenAirDocs)
- Aircraft serial: 21782
- Aircraft time: 100,931 hours, 20,618 cycles
- Engine: Ge CF650*
- System (JASC): [7160 · Engine Air Intake System](https://openairdocs.org/jasc/7160)
- Part: Skin
- Condition: Damaged
- Location: Nr 2 Inlet Cowl
- 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/UIEA2010080500132

## Discrepancy

DURING WALKAROUND INSP, MX FOUND DAMAGE TO THE NR 2 ENG INLET COWL OUTER BARREL SKIN CRACK/DAMAGE (REF FIG 1).  (DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS; SCHEDULE REPEAT INSPECTIONS AT EVERY 25 FC AND PERMANENT REPAIR PRIOR TO THE ACCUMULATION OF 1,000 FH (FLIGHT HOURS) AFTER PART 1.  ACCOMPLISH REPAIR TO THE NR 2 ENGINE INLET COWL OUTER BARREL SKIN CRACK/DAMAGE (REF FIG 1) AS FOLLOWS: 1 . STOP DRILL CRACK IAW SRM 51-10-01. 2 . APPLY 3 LAYERS OF ALUMINUM FOIL TAPE (SPEED TAPE) COVERING THE DAMAGED AREA ENSURING THAT EVERY LAYER OVERLAPS A MINIMUM OF 1.5 INCHES IAW LAYER 3.

---
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.