1AD/HU 269/97 - Rotor Blades

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

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Schweizer (Hughes) 269 Series Helicopters

AD/HU 269/97 Rotor Blades 2/91 DM

Applicability: All model 269A, 269A-1, 269B and 269C with Main Rotor Blades P/N 269A1160; 269A1185, -1, -1M, -7 and/or Tail Rotor Blades P/N 269A1185-1M; 269A6035-23,

with the S/Nos listed in the AD Requirement.

Requirement: Pending completion of an investigation currently being undertaken to confirm the airworthiness of certain overhauled/repaired main/tail rotor blades with P/Nos and S/Nos detailed herein, accomplishment of the following is required:

Main and tail rotor blades. Inspect and determine whether installed blades have affected P/N and S/N. Blades not affected require no further action.

Main rotor blade P/N 269A1160 Serial Numbers:

0569, 0616, 0834, 0856, 0867, 0871, 0894,0913, 0966, 0988, 1008, 1134, 1138,

1143, 1163, 1569, 1593, 1808, 2343, 2433, 2437, 2439, 2452, 2657, 2677, 2755,

2841, 2860, 2936, 2993, 3006, 3020, 3118, 3119, 3237, 3577, 3588, 3637, BD52.

Main rotor blade P/N 269A1185, -1, -1M Serial Numbers

0118, 0201, 0218, 0234, 0243, 0269, 0304, 0306, 0482, 0732, 0745, 0765, 0784,

0799, 0807, 0809, 0813, 0848, 0853, 0864, 0868, 0873, 0906, 0948, 0956, 0984,

1010, 1011, 1077, 1140, 1141, 1142, 1288, 1345, 1412, 1416, 1565, 1570, 1571,

1578, 1629, 1641, 1689, 1695, 1706, 1725, 1792, 1866, 1878, 1879, 1972, 2028,

2335, 2433, 2437, 2439, 2471, 2499, 2537, 2540, 2549, 2657, 2787, 2830, 2860,

2936, 3006, 3237, 3322, 3341, 3577.

Main rotor blade P/N 269A1185-7 Serial Numbers:

0482, 1565, 1578.

Tail rotor blade P/N 269A6035-23 Serial Number:

2. Affected main rotor blades

Visually inspect leading edge abrasion strip attachment integrity. Any blisters, bubbling or lifting of the strip is cause for removal before further flight.

COMMONWEALTH OF AUSTRALIA (Civil Aviation Regulations 1998), PART 39 - 105 CIVIL AVIATION SAFETY AUTHORITY

SCHEDULE OF AIRWORTHINESS DIRECTIVES

3. Affected tail rotor blades

(a) Dye-penetrant and tap test per Part II of Schweizer SIN N-183.3.

(b) Visually inspect each tail rotor blade abrasion strip for any evidence of bond failure along the abrasion strip/airfoil bond line.