# SDR EIA990131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 29, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N478EV
- Make and model: Boeing 747-SR-46
- Registry model: [Boeing 747-SR-46](https://openairdocs.org/model/boeing-747-sr-46) (OpenAirDocs)
- Aircraft serial: 21033
- System (JASC): [5753 · Trailing Edge Flaps](https://openairdocs.org/jasc/5753)
- Part: Skin
- Condition: Misdrilled
- Location: Rt Te Flap
- 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/EIA990131

## Discrepancy

MZJ - DURING C-CHECK, THE RIGHT OUTBOARD MIDFLAP, OUTBOARD END, UPPER SURFACE WAS FOUND TO HAVE 2 SCREWS MISSING.  INSPECTION REVEALED OVERSIZED FASTENER HOLES.  REPAIRED PER ECRA NR 478-57-094-2, PART A/B COMPLETED, PART C REQUIRING REOCCURING INSPECTION AT NOT MORE THAN 200 FLIGHTS.  (M)

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