Service difficulty report · Sensor · Boeing 777300ER

Difficulty date
March 25, 2025
Submitted
March 28, 2025
Operation
Air carrier
Aircraft
N2846U
Make and model
Boeing 777300ER
Aircraft serial
64990
Aircraft time
30,973 hours, 3,388 cycles
Part
Sensor
Part number
11503221
Condition
Faulted
Location
Nr 2 Engine
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

REF LOG. PGS. 4283873 AND 4283765. FOUND FAULT 36-10325. FOUND SHOP FAULTS: FAULT NUMBER 43, SHOP DATA "GH" AND MANIFOLD PRESS WAS "M005" PSI. T-S REF AMM LEFT (RIGHT) FAMV FAILED CLOSED - FAULT ISOLATION, REF: 36-11 TASK 809. ACP'D STEPS G-1-A TO L. ACP'D HEALTH CK OF FAMV, HPFAC AND SENSE LINES. FAMV CLOSES AND OPENS SMOOTHLY. ALSO CYCLED RT BLEED SWITCH AND FAMV MOVES FROM CLOSED TO OPEN IN CORRECT AMOUNT OF TIME. SUGGEST RPL MDTS REF STEP "G-N" DUE TO SHOP DATA "GH" REF AMM 36-22-01/401. REMOVED AND REPLACED ENG 2 DUAL MONITOR TEMP SENSOR REF AMM 36-22-01, OPS CHECK AND LEAK CHECK GOOD. PERFORMED ENG IDLE LEAK TEST REF AMM 71-00-00 TEST 5 OPS CHECK AND LEAK CHECK GOOD. MANIFOLD PRESSURE WAS WITHIN LIMITS. ISOLATED ENG 2 BLEED AIR AND USED APU BLEED, NO FAULTS FOUND. OK TO CONTINUE.

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