AD 85-12-51

85-12-51 BOEING: Amendment 39-5104. Applies to Model 737-100 and -200 series airplanes equipped with Plessey Type 8240 Mark 1, 2, or 3 boost pumps and certificated in any category.

To prevent engine flameouts during climb, accomplish the following, unless already accomplished:

1. Before further flight ensure that the fuel being used is one of the following types:

o Jet A or A1 conforming to specification ASTM-D-1655; or o JP-5 conforming to MIL-T-5624.

2. Within 48 hours incorporate the following information into the Limitations Section of the Airplane Flight Manual and provide to crews:

"The only approved fuels are Jet A and A1 conforming to Specification ASTM- D-1655, and JP-5 conforming to MIL-T-5624."

3. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

NOTE: Compliance with Paragraph 2. of this directive may be effected by including a copy of this AD in the Airplane Flight Manual and Operating Manual.

This amendment becomes effective August 6, 1985. It was effective earlier to all recipients of telegraphic AD T85-12-51, issued June 13, 1985, which contained this amendment.