STANDARD LAB RECOMMENDATION CODES PHYSICAL TEST RECOMMENDATIONS

NAVAIR 17-15-50.4

TM 38-301-4

T.O. 33-1-37-4

CGTO 33-1-37-4

STANDARD LAB RECOMMENDATION CODES

PHYSICAL TEST RECOMMENDATIONS

(Not for Air Force Use)

CODE

GENERAL LAB RECOMMENDATIONS

Oil condition normal, continue routine sampling.

Do not operate.

Evaluate and repair component.

Check oil type and source.

Analysis results supplied to customer; no recommendation required.

Previous recommendation still applies.

CODE

OIL CONDITION STATEMENTS

Fuel dilution.

Neutralization or acid number.

Particle count excessive.

Solid or abrasive material.

Viscosity (high/low/change).

Water.

CODE

OIL CHANGE RECOMMENDATIONS

Change oil and service filter.

Purify, renovate or change oil and service filters.

CODE

LAB REQUESTED SAMPLES (Requires Resample)

RB*

Resample as soon as possible.

RC*

Resample after *** hours.

RH*

Submit hot sample.

RI*

Resample; insufficient amount of sample received.

RS*

Submit sample of new oil servicing this unit.

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