FOD REMINDER
Check work area for tools and parts after completion of maintenance and inspection
TM 1-1520-238-PMS
C 7
69
Seq.
No.
Location
Item and Procedure
8.4
4
MAIN ROTOR
HEAD AND LINKS FOR CRACKS, DISTORTION, SECURITY, AND ALINEMENT
BLADE STRUCTURE FOR CRACKS, SURFACE DAMAGE OR BONDING SEPARATION
LOOSE OR MISSING HARDWARE
5
BLADE FEATHERING BEARING HOUSINGS (4 HOUSINGS)
ATTACH HOLES FOR CRACKS
TOP AND BOTTOM WEBS FOR CRACKS. Use 10 power magnifier
DEICING CABLES FOR CHAFING OR DAMAGED INSULATION AND CONNECTION SECURITY
6
BLADE ROOT UPPER AND LOWER BOLT BUSHINGS FOR CRACKS (8 BUSHINGS EACH BLADE)
7
ROTOR HUB STRAP PACKS FOR CRACKED, BUCKLED, BROKEN, OR HORIZONTAL DISPLACEMENT
CHECK INBOARD AND OUTBOARD ENDS OF 4 STRAP PACKS
8
DAMPERS FOR CRACKS, SECURITY, AND ALINEMENT
9
BLADE ATTACH PINS FOR LOCKED POSITIONS (HANDLES CLIPPED DOWN) (8 ATTACH PINS)
10
STATIC GROUND BRUSH ASSEMBLIES FOR EVIDENCE OF EVEN CONTACT WITH THE HUB LINER
LOWER FLANGE
8.5
11
UPPER CONTROLS (MIXER)
SWASHPLATES, LINKS, AND BELLCRANKS FOR CRACKS, DISTORTION, SECURITY, ALINEMENT, AND
LOOSE OR MISSING HARDWARE. SWASHPLATE SEAL AREA FOR EVIDENCE OF GREASE LEAKAGE.
SWASHPLATE PITCH CHANGE LINK RODS FOR WEAR OR CHAFING AND SLIDER BEARINGS THAT
HAVE CHROMIUM OXIDE-COATED (DARK BROWN) SPHERICAL BALLS FOR FLAKING.
8.6
12
MAST
PHYSICAL DAMAGE AND SECURITY
LOOSE OR MISSING BASE FLANGE NUTS OR WASHERS
BASE FLANGE FOR CRACKS IMPORTANT:
DETAIL CHECK ALL 18 BOLT HOLES