# SDR AWXA200601495

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 30, 2004
- Submitted: August 11, 2006
- Operation: Air carrier
- Aircraft: N477EV
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 20784
- Aircraft time: 69,735 hours, 34,328 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Condition: Cracked
- Location: Fuselage
- 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/AWXA200601495

## Discrepancy

UPPER DECK, FLOOR SUPPORT UPPER CHORD OPEN HOLES CRACKED AT BS380, 400, 420, 520, 540, 600, 660, AND 720.  REPAIR OPEN HOLES PER SB 747-53A2452.  REPETITIVE INSPECTION ECRA 477-53-105-1.

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