# SDR CALA2018012900376

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 29, 2018
- Submitted: January 29, 2018
- Operation: Air carrier
- Aircraft: [N34131](https://openairdocs.org/aircraft/N34131), registered now
- Make and model: Boeing 757224
- Aircraft serial: 28971
- Aircraft time: 79,184 hours, 16,885 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Part number: 14BN1019
- Condition: Dented
- Location: Bs800 Str24-25l
- 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/CALA2018012900376

## Discrepancy

DENT ON FWD CARGO LT FRAME UPPER FLANGE AT STA 800 BETWEEN STR 24L & 25L. A PERMANENT CATEGORY B REPAIR ACCOMPLISHED PER SRM 53-00-07 FIG 201 REPAIR 5  INSPECTION THRESHOLD REQUIRED 37,500 FLIGHT CYCLES AFTER REPAIR INSTALLATION OR 50,000 AIRFRAME FLIGHT CYCLES, WHICH COMES FIRST, CURRENT TOTAL CYC 16874. REPEAT INSPECTION INTERVALS OF 12,000 FLIGHT CYCLES.

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