AD 86-21-11

Airworthiness directive · Engine Oil Cooler & Placard · Embraer - Empresa Brasileira de Aeronautica EMB-120 and EMB-120RT

Effective
February 17, 1987
Models
EMB-120, EMB-120RT
Data sheet
TCDSA31SO
Registered aircraft
3 matched by model
Product
Aircraft · Large airplane
Amendment
39-5535

Unofficial copy of the text in the FAA’s Dynamic Regulatory System. The FAA’s own copy is the authoritative one. DRS record last changed May 30, 2024.

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The airworthiness directive

86-21-11 EMPRESA BRASILEIRA DE AERONAUTICA S.A.: Amendment 39-5535. Applies to Embraer Model EMB-120 series airplanes; serial numbers 12004, 12006 through 120028, 120033, and 120034; equipped with engine oil coolers, part numbers 160282-1 or 160282-2, which have accumulated more than 200 hours time-in-service; certificated in any category. Compliance is required within the next 10 hours time-in-service after the effective date of this AD, unless previously accomplished.

To prevent oil loss and in-flight engine shutdown, accomplish the following:

A. Fabricate and install on the instrument panel near the altimeter, in full view of the pilot, a placard that reads: "MAXIMUM OPERATING LIMITATION 10,000 FEET MSL."

B. Installation of engine oil cooler part number 160282-3 or subsequent, constitutes terminating action for the requirements of this AD.

This amendment becomes effective February 17, 1987, as to all persons, except those persons to whom it was made immediatelyeffective by Priority Letter AD 86-21-11, issued October 22, 1986.

Affected TCDS · 1

The type certificate data sheets for the models this AD names, matched by model and maker.

Registered aircraft · 3

Registered aircraft whose airframe or engine model this AD names. Matched by model only, so check each against the AD’s applicability.

By aircraft maker
  • Embraer3 aircraft
By year built
19831998
Registered aircraft by year built: 3 aircraft
19831
19911
19981

By model

Aircraft