Service difficulty report · Transmitter · Boeing 757224

Difficulty date
July 25, 2023
Submitted
July 28, 2023
Operation
Air carrier
Aircraft
N17126
Make and model
Boeing 757224
Aircraft serial
27566
Aircraft time
89,474 hours, 21,958 cycles
Part
Transmitter
Part number
285T0015116
Part serial
D03418
Condition
Unknown
Location
E/E Bay
Part time
80,386 hours, 18,925 cycles
Stage of operation
TO
How discovered
O
Nature of condition
J, O
Precautionary procedure
C

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

What was found

UNSHEDULED STAB TRIM ILLUMINATED AT 65KNOTS ON T/O AND REJECT AT 75 KNOTS LOCKED FOR FIX . REF L/P 5266158 FOR WORK PERFORMED & CORRECTIVE ACTION. ALL OPS CKS GOOD, NO FAULTS AT THIS TIME. A/C OK TO CONTINUE. ADD EMP:U197565 REMOVED AND REPLACED LEFT AND RIGHT STAB TRIM ELEV ASSY MODULES M524 AND M525 REF AMM 27-09-00. ALSO REMOVED AND REPLACED LEFT STAB TRIM LIMIT POSITION TRANSMITTER M10899 REF AMM 27-48-01. PERFORMED MCDP TESTS 65 AND 66 WITH NO FAULTS, ALL INDICATIONS NORMAL. PERFORMED MCDP TEST 30 AS PER AMM 22-00-02, TEST PASSED A/C RETAINS FULL CAT CAPABILITY. PARTS USED: 1667823,QTY :1 19-2224-9-0002,QTY :1.ROTABLE PARTS CHANGE WAS INDICATED - TT # 1008893 SN OFF 3418 TT # 1248421 SN OFF 0033 TT # 1667823 SN OFF 0126 MODULE, CONTROL OFF 19-2224-9-0002 3418 ON 19-2224-9-0002 1695 MODULE, CONTROL OFF 19-2224-9-0002 0033 ON 19-2224-9-0002 2883 MODULE, STAB TR OFF 19-2748-9-9002 0126 ON 19-2748-9-9002 4592