ABBREVIATED AVIATION ACCIDENT REPORT (AAAR)
Source
AAAR
1. Case Number
1a. Date of Accident
1b. Time
1c. Aircraft Serial Number
2a. Classification
2b. Category
20020829004
Aug 29 2002
1500
8900168
E
3. Type of Aircraft
4. Period Of Day
5. No Acft Involved
6. Nearest Installation
CH47D
DAY
1
02347 - FT GREELY, AK
7. Accident Location
a. On Post
b. On Airfield
d. ALASKA
8. Organization Involved in Accident
Unit
UIC7
UIC6
UIC5
UIC4
UIC3
UIC2
Army Headquarters Element
Station
WHT7B0
WHT7AA
W0EBAA
WNCRAA
02955
B CO
4/123AB
ARTSPBD
USARPAC
FT WAINWRIGHT (AIN), AK
9. Organization Accountable for Accident
WHT7B0
WHT7AA
W0EBAA
WNCRAA
02955
B CO
4/123AB
ARTSPBD
USARPAC
FT WAINWRIGHT (AIN), AK
10. Estimated Accident Cost
a. Total Loss
b. Aircraft Damage
c. Man Hrs
d. Man Hrs Cost
e. Other Mil Damage
No
$0
0
$0
$0
f. Civilian Damage
g. Injury
h. Total This Aircraft
i. Total Accident
$0
$0
$0
$0
11. General Data
a. Mission
S/M
b. Flight Plan
c. Data Recorder
T - TRAINING
SINGLE
VFR
d. Night Vision
e. Fire
f. Fluid Spillage
g. Field Training
NONE
12. Flight Data
a. Emergency
Duration
Phase of Operation
.9
G - CRUISE
AGL
KIAS
Weight
Overgross
350
100
32500
b. Termination
Duration
Phase of Operation
AGL
KIAS
Weight
Overgross
13. Type Event
85 - Drive Train
14. Accident Cause Factors
Human Error
Material Failure
Environmental
NO
DEFINITE
NO
15. Summary
During flight right hand combining transmission debris screen latched and would not reset. PIC performed emergency procedures and landed with no further problems. Maintenance replaced combining transmission and aircraft was returned to service.
16. COMPONENT AND PART FAILURE/MALFUNCTION DATA
Part Information
a. Nomenclature
c. Part Number
d. NSN
e. MFG Code
f. Part Serial No
COMBINING XMSN
145D530020
1615014643974
77272
AB073
g. Cause Failure
Functional Group
Material
Maintenance
Design
Manufacture
04 - ROTOR AND TRANSMISSION 13 - COMBINING TRANSMISSION
DEFINITE ROLE
- -
Type Failure
Cause Failure
372 - METAL ON MAGNETIC PLUG
-
374 - INTERNAL FAILURE
-
17. ENVIRONMENTAL
a. General
(1) IMC
(2) VMC
(3) Unknown
b. Environmental Conditions
1. Weather Conditions
2. Other Conditions
(a) Hail
(a) Animals
(b) Sleet
(b) Fowl
(c) Fog
(c) Surface
(d) Drizzle
(d) Noise
(e) Rain
(e) Chemicals
(f) Snow
(f) Radiation
(g) Lightning
(g) Glare
(h) Thunderstorm
(h) FOD
(i) Gusty Winds
(i) Temperature
(j) Freezing Rain
(j) Vibration
(k) Other
(k) Dust
c. Aircraft Icing
No Yes
d. Turbulence
No Yes
19. MOON ILLUMINATION DATA
a. Above Horizon
b. Visible
c. Degrees Above Horizon
d. Percent Illumination
e. Clock Position
No Yes
No Yes
20. WIRE STRIKE DATA
a. Wire Strike
b. WSPS Installed
c. WSPS Engaged
No Yes
No Yes
No Yes
d. WSPS Cut Wire
e. WSPS Functioned
f. Wires Struck
No Yes
No Yes
Number wires
0
Dia.(inches)
21. PERSONNEL DATA
No Personnel
22. IMPACT/PROTECTIVE/ESCAPE/SURVIVAL/RESCUE DATA
a. Aircraft Space Compromised
b. Escape/Survival Difficulties
c. Protective/Restraint Equip Functioned
No Yes
No Yes
No Yes
24. FINDINGS AND RECOMMENDATIONS
Findings
Not Reported
Recommendations
Not Reported