# SDR UALA2013040402258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2013
- Submitted: April 5, 2013
- Operation: Air carrier
- Aircraft: [N122UA](https://openairdocs.org/aircraft/N122UA), registered now
- Make and model: Boeing 747422
- Aircraft serial: 29168
- Aircraft time: 57,250 hours, 6,685 cycles
- Engine: Pwa PW4056
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Fastener
- Condition: Damaged
- Location: Rt Wing
- 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/UALA2013040402258

## Discrepancy

ON TOP OF RIGHT WING BETWEEN ENG 3 AND 4, BUT CLOSER TO ENG 3, SIX FASTENER HEADS IN A ROW ARE MISSING FROM THE PANEL, AND ARE MARKED WITH MASKING TAPE.  REPLACED 11 FASTENERS INSTEAD OF 6 ON ORIGINAL TEXT WITH SCREWS AND NUTS REF 51-40-03.

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