SDR ASAA2017021619857

Service difficulty report · Compensator · Boeing 737890

Difficulty date: February 16, 2017
Submitted: February 21, 2017
Operation: Air carrier
Aircraft: N594AS
Make and model: Boeing 737890
Aircraft serial: 35191
Aircraft time: 34,090 hours, 10,300 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Compensator
Part number: 2020201
Part serial: 6892
Condition: Failed
Location: Nr 1 Fuel Tank
Part time: 34,090 hours, 10,300 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

FOUND NINE PROBES BAD, F15, F1, F3, F4, F6, F8, F9, AND F10 ON NR 1 TANK. INITIATED MIG 2C S/N 40-0015973-5975. ACFT GROUNDED. REMOVED AND REPLACED F3 AND F4 TANK PROBES IAW AMM 28-41-21. REPLACED F6, F7, F8, TANK UNIT IAW AMM 28-41-21. REMOVED AND REPLACED COMPENSATOR F15 AND TANK UNIT F1 IAW AMM 28-41-21. REMOVED AND REPLACED F9, AND F10 TANK PROBES IAW AMM 28-41-21. ACCOMPLISHED SYSTEM TEST OF FQIS, GROUND VERIFICATION TEST SUCCESSFUL IAW AMM 28-41-00-730-801.