Service difficulty report · Probe · Boeing 737890

Difficulty date
January 15, 2017
Submitted
January 19, 2017
Operation
Air carrier
Aircraft
N579AS
Make and model
Boeing 737890
Aircraft serial
35187
Aircraft time
37,715 hours, 11,257 cycles
Part
Probe
Part number
2020201
Part serial
2663
Condition
Out Of Tolerance
Location
Nr 2 Fuel Tank
Part time
177 hours, 42 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ACCOMPLISHED NG-28FCD-18090-1, NR 2 FQIS COMPENSTATOR & TANK UNITS TEST. THE FOLLOWING PROBES ARE OUT OF TOLERANCE AND REQUIRE REPLACEMENT. COMP, F1, F2, F3, F8, F9, AND F10. GROUNDED - YES. REF MIG 2C'S AND ASA T/C 78528000 FOR RII AND SAFETY PRECAUTIONS. REMOVED, REPLACED AND TESTED #2 TANK COMP UNIT, AND TANK UNITS F1, F2, F3, F8, F9, AND F10. ALL OPS NML REF MM 28-41-21. GROUND VERIFICATION SATISFACTORY.