# SDR CALA2026052916658

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2026
- Submitted: May 29, 2026
- Operation: Air carrier
- Aircraft: [N37255](https://openairdocs.org/aircraft/N37255), registered now
- Make and model: Boeing 737824
- Aircraft serial: 30610
- Aircraft time: 77,618 hours, 29,101 cycles
- System (JASC): [5415 · Nacelle/Pylon, Attach Fittings](https://openairdocs.org/jasc/5415)
- Part: Link
- Part number: 311A27108
- Condition: Corroded
- Location: Zone 400
- 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/CALA2026052916658

## Discrepancy

NR 1 ENGINE PYLON UPPER LINK FORWARD ATTACH POINT IS CORRODED.   REMOVED NR 1 PYLON UPPER LINK AND REPLACED BUSHINGS IN THE FWD ATTACH POINT IAW AMM 51-54-03 AND SOPM 20-50-03. PNEUMATIC DUCT REMOVED FOR ACCESS AND REINSTALLED IAW AMM 36-13-01.

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