# SDR CALA2026092819874

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2026
- Submitted: September 28, 2026
- Operation: Air carrier
- Aircraft: [N78540](https://openairdocs.org/aircraft/N78540), registered now
- Make and model: Boeing 737824
- Aircraft serial: 63646
- Aircraft time: 27,672 hours, 10,427 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 146A1112
- Condition: Cracked
- Location: Zone 200
- 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/CALA2026092819874

## Discrepancy

AFTER NDT INSPECTION ON FRAME 727E UPPER HOLE,  FOUND A CRACK .  EVALUATED DENT ON VERTICAL LEADING EDGE, FOUND TO BE WITHIN LIMITS IAW SRM 55-30-01-1A-1, PAR. 4.A, TABLE 101. PERFORMED DENT REWORK.  PERFORMED NDT, NO CRACK SIGNAL NOTED, AND APPLIED ALODINE IAW  SRM 55-30-01-1A-1 PAR. 5.  PERFORMED REPAIR ON HOLE AT FRAME 727E, ALL WORK ACCOMPLISHED IAW EO 260465 REV P1, EO 260465 REV P2,  EO 260465, REV IR, & EC5360-02205.  CLASSIFIED AS A MAJOR REPAIR.

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