AD 87-19-01

87-19-01 MESSERSCHMITT-BOLKOW-BLOHM (MBB), BELL HELICOPTER TEXTRON, INC., and AEROSPATIALE: Amendment 39-5786. Applies to all MBB BO- 105, all series, with STC No. SH479GL installed; MBB Model BK-117, all series, with STC No. SH1853SO installed; Bell Model 222, all series, with STC No. SH1879SO installed; and Aerospatiale Model AS-355, all series, with STC No. SH673GL installed.

Compliance is required before further flight, unless already accomplished.

To prevent the ingestion of the labels (Facet P/N's 1741120 and 1741120-01) by the engines, accomplish the following:

(a) Gain access to the engine compartment where the labels are located.

(b) Remove the labels (Facet P/N's 1741120 and 1741120-01) from the airframe using methyl ethyl ketone (MEK) and a single-edge razor.

(c) Clean area where label was installed.

(d) Make appropriate logbook entry showing compliance with this AD.

(e) An alternative method of compliance which provides an equivalent level of safety may be used when approved by the Manager, FAA Atlanta Aircraft Certification Office, 1669 Phoenix Parkway, Suite 210C, Atlanta, Georgia 30349.

(f) Aircraft may be ferried in accordance with the provisions of FAR 21.197 and FAR 21.199 to a base where the AD can be accomplished. NOTE:

1. The information on the labels repeats information which is provided in the Rotorcraft Flight Manual Supplement.

2. Facet Service Bulletin No. 081987 dated August 19, 1987, refers to this subject.

This Amendment 39-5786 becomes effective December 18, 1987, as to all persons except those persons to whom it was made immediately effective by priority letter AD 87-19-01, issued September 8, 1987, which contained this amendment.