# SDR 2004UALA00913

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 28, 2004
- Submitted: October 12, 2004
- Operation: Air carrier
- Aircraft: [N649UA](https://openairdocs.org/aircraft/N649UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25286
- Aircraft time: 54,320 hours, 8,808 cycles
- Engine: Pwa PW4060
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Spar
- Condition: Cracked
- Location: Nr 2 Nacelle
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2004UALA00913

## Discrepancy

NR 2 NACELLE UPPER SPAR WEB IS CRACKED SEVERAL PLACES AS SEEN THROUGH ACCESS 446BL.  REPAIRED UPPER SPAR WEB WITH DOUBLER AND FILLER JUST FWD OF PYLON AFT BLKHD PER SRM 54-53-01, FIG 208.  PER SB 767-54-0092 R1 PROBABLE CAUSE OF CRACKING IS FLEXING OF PYLON MIDSPAR WEB.

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