AD 84-11-05

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AD Number:
84-11-05
Document Type:
AD Final Rules
Docket Number:
Unknown
Subject Heading:
Airworthiness Directives; British Aerospace Model HP.137 Jetstream Mk. 1, Jetstream 200, and Jetstr...Show more
Subject:
Placard Maximum Flap Extension Speed
Status:
Current
Citation:
This information is not available.
Citation Publish Date:
Effective Date:
07/17/1984
Make:
British Aerospace Regional Aircraft
Model:
H.P. 137 Jetstream Mk. 1 | Jetstream Series 200 | Jetstream Series 3101
Product Type:
Aircraft
Product Subtype:
Small/Large Airplane
Affected AD:
Superseded AD:
Affected By:
Superseded By:
Service/Office:
Office of Primary Responsibility:
CFR Part Reference:
Part 39
Comments:
AIRWORTHINESS DIRECTIVES FINAL RULES: 84-11-05
CITATION:   This information is not available.

PAGE NUMBER:  

DOCKET NUMBER:   Unknown

AMENDMENT:   39-4888

AD NUMBER:   84-11-05

SUBJECT HEADING:   Airworthiness Directives; British Aerospace Model HP.137 Jetstream Mk. 1, Jetstream 200, and Jetstream 3101 Airplanes

ACTION:  

SUMMARY:  

DATES:   Effective July 17, 1984.

ADDRESSES:  

FOR FURTHER INFORMATION CONTACT:  

SUPPLEMENTARY INFORMATION:  

REGULATORY TEXT:   84-11-05 BRITISH AEROSPACE: Amendment 39-4888. Applies to British Aerospace (BAe) HP.137 Jetstream Mk. 1, Jetstream Series 200, and Jetstream Model 3101 airplanes (all serial numbers through 619, except serial number 615), certificated in any category.

Compliance: Required prior to further flight, unless already accomplished.

To reduce the possibility of a malfunction causing the flaps to move to the lift dump position in flight, accomplish the following:

a) For the HP.137 Jetstream Mk.1 and Jetstream Series 200 airplanes:

1) Fabricate and install in full view of the pilot, a temporary placard using letters of minimum .10 inch in height which states:


"PRIOR TO EACH FLIGHT, COMPLETE THE FLAP
OPERATIONAL CHECKS IN THE INSERT TO SECTION 4
OF THE AFM. MAXIMUM FLAP EXTENSION SPEED - 140 KNOTS IAS"

2) Temporarily blank out the flap extension speeds on the Limitations Placard and operate the airplane in accordance with these limitations.

3) Add the following information to Section 4 of the Airplane Flight Manual (AFM):

i) Upon completion of "After Start Checks" accomplish Flaps Operational Check as follows:

With POWER levers just forward of the GROUND IDLE range, check T.O. and DOWN positions. Retard the POWER levers to GROUND IDLE and check that the flaps extend to the DUMP position. Move POWER levers just forward of GROUND IDLE and check flaps return to DOWN position. Select FLAPS UP and check the flaps return to the UP position. Ensure that the position of flap selector switch corresponds with the indication on the flap position indicator.

ii) If the flaps do not move to the correct position, remove the airplane from service and contact BAe (see note for address).

4) Add the following information to Section 3 of the AFM:

i) Should the flaps fail to retract after takeoff, re-select the T.O. position.

ii) Should the flaps fail to extend on selection, re-select to the UP position.

iii) Should the flaps run to DOWN when selected to T.O. for approach, select the achieved position.

iv) Do not use the Emergency Hydraulic System to lower the flaps when a malfunction has been identified.

v) Depending on circumstances, either carry out a landing with flaps UP or with the flaps partially deflected, using the LANDING WITH FLAPS UP procedures detailed in Section 3 of the Flight Manual, or if the flaps are fully extended to the normal landing position, carry out a normal landing using normal procedures. LIFT DUMP should be available on touch-down.

vi) If a malfunction has been identified, remove the airplane from service and contact BAe (see note for address).

b) For Jetstream Model 3101 airplanes:

1) Fabricate and install in full view of the pilot, a temporary placard using letters of minimum .10 inch in height which states:


"PRIOR TO EACH FLIGHT, COMPLETE THE FLAP OPERATIONAL
CHECKS IN THE INSERT TO SECTION 4 OF THE AFM.
MAXIMUM FLAP EXTENSION SPEED - 149 KNOTS IAS"

2) Temporarily blank out the flap extension speeds on the Limitations Placard and operate the airplane in accordance with these limitations.

3) Add the following information to Section 4 of the AFM:

i) Upon completion of "After Start Checks" accomplish Flaps Operational Check as follows:

Ensure each time by reference to the Wing Flaps Position Indicator, that the achieved position corresponds to the Selected position. Check that Lift Dump is only achieved with flaps selected to 50 degrees and Power Levers to Ground Idle.

ii) If the flaps do not move to the correct position, remove the airplane from service and contact BAe (see note for address).

4) Add the following information to Section 3 of the AFM:

i) Should the flaps fail to retract after takeoff, re-select previously selected position.

ii) Should the flaps fail to extend on selection, re-select to the UP position.

iii) Should the flaps run to 50 degrees when selected to 10 degrees or 20 degrees for approach, select the achieved position.

iv) Do not use the Emergency Hydraulic System to lower the flaps when a malfunction has been identified.

v) Depending on circumstances, either carry out a landing with flaps UP or with the flaps partially deflected, using the LANDING WITH FLAPS UP procedures detailed in Section 3 of the Flight Manual, or if the flaps are fully extended to the normal landing position, carry out a normal landing using normal procedures. LIFT DUMP should be available on touch-down.

vi) If a malfunction has been identified, remove the airplane from service and contact BAe (see note for address).

c) Insertion of a copy of this AD in front of the sections specified in paragraphs a)3), a)4), b)3), and b)4) above satisfies the requirements of these paragraphs.

d) The requirements of paragraph c) of this AD may be accomplished by the holder of a pilot certificate issued under Part 61 of the Federal Aviation Regulations on any airplane owned or operated by him. The person accomplishing these actions must make the appropriate aircraft maintenance record entry as prescribed by FAR 91.173.

e) Remove the temporary placards, AFM inserts and operational placard changes required elsewhere in this AD when BAe Modification JM5236 is accomplished.

f) An equivalent means of compliance with this AD may be used, if approved, by Manager, Aircraft Certification Office, AEU-100, Europe, Africa & Middle East Office, FAA, c/o American Embassy, Brussels, Belgium.

NOTE: Repair and parts information may be obtained from British Aerospace (BAe), Engineering Department, P.O. Box 17414, Dulles International Airport, Washington, D.C. 20041; telephone (703) 435-9100.

This amendment becomes effective on July 17, 1984, to all persons except those to whom it has already been made effective by priority letter from the FAA dated June 6, 1984, and is identified as AD 84-11-05.

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