# SDR CALA2014031700332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 16, 2014
- Submitted: March 17, 2014
- Operation: Air carrier
- Aircraft: [N13720](https://openairdocs.org/aircraft/N13720), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28939
- Aircraft time: 50,275 hours, 16,082 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 146A11312
- Condition: Cracked
- Location: Fuselage
- 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/CALA2014031700332

## Discrepancy

CRACK WAS FOUND ON THE FRAME HOLES WHICH ATTACH THE BRACKET BETWEEN STRINGER 8R - STRINGER 9R, STATION 747 L=0.1 INCH.  FABRICATED ANGLES IAW EA 5310-04716 REV F STEP 9 FIG 3.  MATERIAL 7075-TO CLAD AL SHEET.  REMOVED CRACK IAW EA 5310-04716 REV F STEP 9 FIG 3 NR-51-001 VERIFY THIS WORK ACCOMPLISH.  LOCATION & DRILLED HOLES ON THE REPAIR ANGLES ON THE FRAME IAW NDT PART 6 51-00-00 FIG 23.  INSTALLED REPAIR PART, APPLIED CIC AT REWORKED AREA IAW EA 5310-04716 REV F FIG 3.  ACP RII INSPECTION PER ALL CRITICAL STEPS IN GMM 09-25-05.

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