# SDR 030011849

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2003
- Submitted: April 4, 2003
- Operation: Air carrier
- Aircraft: N477SJ
- Make and model: Gulstm G1159A
- Aircraft serial: 477
- Aircraft time: 8,930 hours, 10,141 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Frame
- Part number: 1159P20502511
- Condition: Cracked
- Location: Lt Pylon
- 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/030011849

## Discrepancy

LEFT HAND PYLON FRAME (WEB) AT FS 556 HAS 2 HORIZONTAL CRACKS RUNNING BETWEEN 2 HYDRAULIC LINE CONNECTIONS. SHEAR WEB PART NUMBER 1159P20502-511. CRACKS ARE WHERE THE FOLLOWING HYDRAULICS LINES ARE ATTACHED TO WEB WITH BULKHEAD FITTINGS: AE700755-1 (FLEX LINE), 1159P20518-103S20, 1159P20518-123-P-12, 1159P20518-7P12.

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