SDR ERAA091810

Service difficulty report · Blade · Bell 412

Difficulty date
June 2, 2003
Submitted
January 12, 2004
Operation
Air carrier
Aircraft
N419EH
Make and model
Bell 412
Aircraft time
15,465 hours
Part
Blade
Part number
412015300109
Part serial
A602
Condition
Damaged
Location
Fuselage
Part time
11,542 hours
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

UNABLE TO TRACK, DIVES OVER 40 KNOTS WITH ANY ADJUSTMENT. SENT FOR REPAIR. INSPECTED, PERFORMED 2500 HOUR INSPECTIONS IAW BHT-412-MM CHAPTER 5: XRAY INSPECTION OF TRAILING EDGE CORE IN AREA OF OB TRIM TAB REVEALS APPROX 50-75 CELLS OF MOISTURE INGRESSION IAW ASTM E 94; MOISTURE REMOVED; REPLACED OB AND CENTER TRIM TABS IAW 204-099-223 APPENDIX B SECTION 2 PARAGRAPH 2.7 REV L; REPAIRED SKIN DAMAGE ON UPPER SURFACE AT STA 194.125 TO STA 195.250 INCLUDING DAMAGE UNDER TRIM TAB IAW DAL-637 AND 8110-26727; REPLACED IB SPLICE COVER IAW BHT 412 CR AND O PAGE 86B; REMOVED AND REINSTALLED TIP CAP IAW 8110-38493 AND CTI PROCEDURE 412-62-10-800.

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