# SDR DALA2019102526164

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 21, 2019
- Submitted: October 25, 2019
- Operation: Air carrier
- Aircraft: [N540US](https://openairdocs.org/aircraft/N540US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26487
- Aircraft time: 70,303 hours, 26,887 cycles
- System (JASC): [5311 · Fuselage Main, Frame](https://openairdocs.org/jasc/5311)
- Part: Frame
- Condition: Cracked
- Location: Bs 1120
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2019102526164

## Discrepancy

(AIRCRAFT 5640, L/P 1326073) INITIAL INSPECTION: CRACK ON FRAME AT STA 1120 BTW STR 9/8 RH AT PAX CABIN. (CPAX). CORRECTIVE ACTION: SUMMARY OF NRC 00348: FRAME WAS REPAIRED PER B757-200 SRM 53-00-07 REP 8. PERFORM DETAIL VISUAL INSPECION AT INTERVALE EVERY 12,000 FLIGHT CYCLES FROM REPAIR INSTALLATION OR 50,000 AIRFRAME FLIGHT CYCLES, WHICHEVER COMES FRIST PER B757-200 SRM 53-00-07 REP. 8 STEP 5, TABLE 203, ZONE 3. (CURRENTLY A/C 26,887 CYCLES).

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