# SDR CALA2018060601428

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2018
- Submitted: June 21, 2018
- Operation: Air carrier
- Aircraft: [N37420](https://openairdocs.org/aircraft/N37420), registered now
- Make and model: Boeing 737924ER
- Aircraft serial: 33457
- Aircraft time: 33,576 hours, 11,394 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 146A111125
- Condition: Cracked
- Location: Bs 727d
- 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/CALA2018060601428

## Discrepancy

CRACK FOUND ON THE FRAME AT BS 727D,  RAIL ATTACH LOCATED BETWEEN STRINGERS 9R AND -8R.  TRIMMED OUT THE DAMAGE SECTION OF THE FRAME AND INSTALLED A REPAIR DOUBLER IAW EC/RA 5310-07436, PART 1.

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