TABLE 2-2. STANDARD LAB RECOMMENDATION CODES - AERONAUTICAL FOR SPECTROMETRIC ANALYSIS

NAVAIR 17-15-50.3

TM 38-301-3

T.O. 33-1-37-3

CGTO 33-1-37-3

TABLE 2-2. STANDARD LAB RECOMMENDATION CODES - AERONAUTICAL

FOR SPECTROMETRIC ANALYSIS (Cont)

CODE

GENERAL LAB RECOMMENDATIONS

Sample results normal, continue routine sampling.

Analysis results supplied to customer; no recommendation required.

Previous recommendation still applies.

CODE

INSPECTION RECOMMENDATIONS (Requires Feedback)

H**

Inspect unit and advise lab of finding. Abnormal wear indicated by _____ ppm (element).

R**

Do not fly or operate; inspect filters, screens, chip detector and sumps; advise laboratory of

results.

T**

Do not fly or operate. Examine for discrepancy and advise laboratory of results and disposition. If

discrepancy found and corrected, continue operation and submit resample after *** hours of

operation. If discrepancy is not found, recommend remove component from service and send to

maintenance.

CODE

OIL CHANGE RECOMMENDATIONS (Requires Resample)

Contamination confirmed. Change oil, sample after *** minute run-up and after *** operating

hours.

NOTE

Contamination is defined as water, coolant, silicon, etc, and not wear-metals. Use the appropriate

recommendation codes for increasing trends or elevated wear-metal conditions.

Contamination suspected. Change oil; run for *** additional hours, take samples hourly. (This

code for Air Force ALC Depot use only.)

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