# SDR F3LA200300151

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 20, 2003
- Submitted: October 23, 2003
- Operation: Air carrier
- Aircraft: N578US
- Make and model: Boeing 737301
- Aircraft serial: 23257
- Aircraft time: 57,739 hours, 33,537 cycles
- System (JASC): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Channel
- Condition: Cracked
- Location: Nr 1 Nacelle
- 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/F3LA200300151

## Discrepancy

DURING C-5 CHECK, INSPECTION REPORTED NR 1 ENGINE CHANNEL CRACKED OUTBOARD LOWER AFT END LT PYLON AT STA 320.  REPLACED CHANNEL PER SRM 51-40-02.

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