# SDR UIEA2010072700126

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2010
- Submitted: August 3, 2010
- Operation: Air carrier
- Aircraft: [N498MC](https://openairdocs.org/aircraft/N498MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29259
- Aircraft time: 47,298 hours, 7,155 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Web
- Condition: Gouged
- Location: Bs 1917
- 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/UIEA2010072700126

## Discrepancy

DURING D02/C03 CHECK,  GOUGE DAMAGE WAS FOUND TO THE MAIN DECK BS 1917, RBL 49 WEB OF LATERAL GUIDE SUPPORT (REF FIG 1 THRU 3, PN 65B20024-65).  GOUGE WAS CLEANED, BLENDED OUT AND REWORKED IAW EGAT EI T2010A53B-1513 ON WEB IAW THE SRM 53-60-53 WITHIN ALLOWABLE LIMITS AS DEFINED BY THE MFG AND ENSURED NO CRACK AT REWORKED AREA BY HFEC IAW NDT MANUAL PART 6, 51-00- 00. SURFACE FINISHED IAW SRM 51-20-01. MFG REVIEWED AND THE REPAIR PROPOSAL IS STRUCTURALLY ACCEPTABLE PROVIDED THAT A 63RHR OR BETTER SURFACE FINISH IS MAINTAINED FOR THE BLENDED WEB. (REF SR 1-1640130216 AND MFG RDR, FIGURE 4)

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