# SDR CALA2021120602241

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2021
- Submitted: December 6, 2021
- Operation: Air carrier
- Aircraft: [N72405](https://openairdocs.org/aircraft/N72405), registered now
- Make and model: Boeing 737900
- Aircraft serial: 30122
- Aircraft time: 56,894 hours, 23,294 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Skin
- Part number: 143A311128
- Condition: None
- Location: Sta 500f-500h
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2021120602241

## Discrepancy

REF FLEET CYCLE LOG PAGE 9790017. INITIATE A DIP TO STATE "ACCOMPLISH INITIAL INSPECTION OF FUSELAGE REINFORCED AREA AT STA 500F TO STA 500H AND S2R TO S-3L ON OR BEFORE THE AIRCRAFT REACHING 50,000 TOTAL FLIGHT CYCLES" PER EC/RA 5331-02792 STEP E.1. EC/RA #5331-02792 STEP E.1. INITIATED A DTA DIP " ACCOMPLISH INITIAL INSPECTION OF FUSELAGE REINFORCED AREA AT STA 500F TO STA 500H AND S2R TO S-3L ON OR BEFORE THE AIRCRAFT REACHING 50,000 TOTAL FLIGHT CYCLES" . PER INITIATED A DTA DIP " ACCOMPLISH INITIAL INSPECTION OF FUSELAGE TOMC-APPROVAL FROM SC1ELBYC COMMENT REINFORCED AREA AT STA 500F TO STA 500H AND S2R TO S-3L ON OR BEFORE THE AIRCRAFT REACHING 50,000 TOTAL FLIGHT CYCLES" . PER EC/RA #5331-02792 STEP E.1.. NO INSPECTION BUYBACK REQUIRED. NOT AN RII ITEM QC QC REVIEWED. T/A: 50,000 TAFC...SP/U366013 RECORDS UPDATE...SP

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