# SDR QMLA2022031020017

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 10, 2022
- Submitted: March 10, 2022
- Operation: Air carrier
- Aircraft: [N436CM](https://openairdocs.org/aircraft/N436CM), registered now
- Make and model: Urocop EC 135 P2
- Registry model: [Urocop EC 135 P2](https://openairdocs.org/model/eurocopter-deutschland-ec-135-p2) (OpenAirDocs)
- Aircraft serial: 0800
- Aircraft time: 7,419 hours, 25,340 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Frame
- Part number: L533M1117215
- Part serial: NA
- Condition: Cracked
- Location: Frame 4 Lh And R
- Part time: 7,419 hours, 25,340 cycles
- Stage of operation: UK
- 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/QMLA2022031020017

## Discrepancy

DURING 1000-HOUR AIRFRAME INSPECTION FOUND TWO RIVETS MISSING FROM LH FRAME 4 WEBBING APPROX. 39” FROM FLOOR AND WEB DISTORTED IN THE AREA. ON RH SIDE SAME HIGHT 39” ABOVE FLOOR A 6.5-INCH CRACK IN THE WEBBING AT FRAME 4. WHEN DISASSEMBLY FOR REPAIR ON 6.5 -INCH CRACK DISCOVERED LOWER FRAME ANGLE CRACKED. REPAIR OF FRAME 4 WEB DISTORTED SECTION WAS COMPLETED UNDER RDAS-EC135-53-2022-002B. THE REPAIR OF CRACKED LOWER ANGLE WAS INSTALLING NEW DOUBLER PN SK-0085-21 IAW ADAS AHI-135-53-001-22.

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