# SDR QMLA2015081415072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2015
- Submitted: August 17, 2015
- Operation: Air carrier
- Aircraft: [N911AL](https://openairdocs.org/aircraft/N911AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53144
- Aircraft time: 9,039 hours, 30,118 cycles
- Engine: Allsn 250C20
- Engine time: 5,209 hours, 7,912 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Part number: 206033003161
- Condition: Cracked
- Location: Fuselage
- Stage of operation: AA
- 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/QMLA2015081415072

## Discrepancy

FOUND CRACK IN UPPER AFT FUSELAGE SKIN NEAR THE UPPER LT LONGERON AS DESCRIBED, THE SUBJECT OF AD2015-05-04 & ASB 407-11-95, TB 407-12-96.  DURING THE COMPLIANCE WITH AMC EO-13-5310-EO-212.  CRACK IS APPROX 1.5" LONG, STARTING AT THE UPPER LT LONGERON & TRAVELING INBD IN THE SHIN.  VISIBLE ALSO FROM THE INSIDE OF THE TAIL BOOM, ON THE UPPER DECK UNDER THE OIL COOLER COWLING AREA FS 217.84 AFT OF BULKHEAD.

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