# SDR CALA2020011900154

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2020
- Submitted: January 19, 2020
- Operation: Air carrier
- Aircraft: [N27734](https://openairdocs.org/aircraft/N27734), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28949
- Aircraft time: 66,307 hours, 22,046 cycles
- System (JASC): [5322 · Fuselage Internal Mounting Structure](https://openairdocs.org/jasc/5322)
- Part: Shear Tie
- Part number: 111A2401U1
- 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/CALA2020011900154

## Discrepancy

WING BOX CENTER SECTION BS540 RBL 15.4 SHEAR TIE IS CRACKED REF N/R 99865327. REMOVED AND REPLACED SHEAR TIE BS540 RBL 14.5 WING BOX CENTER SECTION AS PER SRM 51-40-02 CAP SEALED APPLIED SEALENT TO SEALED FASTENER AS PER REF AMM 28-11-00-300-803.

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