Service difficulty report · Elevator · Boeing 7377H4

Difficulty date
April 13, 2025
Submitted
May 5, 2025
Operation
Air carrier
Aircraft
N290WN
Make and model
Boeing 7377H4
Aircraft serial
36632
Aircraft time
57,406 hours, 34,635 cycles
Part
Elevator
Condition
Out Of Limits
Location
Zone 300
Stage of operation
IN
How discovered
V
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

DURING BALANCE PROCEDURE WAS FOUND CBM OF RT ELEVATOR -73.94 LBFIN IS OUT OF LIMIT IAW B737-700 SRM 51-61-04-0G-0 2025-232426<[01] PERFORMED SECONDARY STATIC BALANCE JIG CHECK AT RT ELEVATOR IAW B737-700 SRM 51-61-04-0G-0; STEPS 5.A (3)(B)1); 5.A (4);5.A (5)(A);(B);(C);5.A (6)(A);(B);(C);(D);(E) AND 5.A (7);(8).<BR>WR:-4.48<BR>SBHM : -104.83 LBFIN;<BR>EXISTING BALANCE WEIGHTS : 24 E/A.<BR>BALANCE WEIGHTS ADDED : 3 E/A.<BR>TOTAL WEIGHTS INSTALLED : 27 E/A; UPPER SIDE.<BR>AVAILABLE SPACES : 18 E/A; LOWER SIDE.<BR>TOOL USED : PROTRACTOR:P/N:PRO 360<BR>S/N:147115<BR>DUE DATE:26/AUG/25<BR>SCALE:P/N : PPC-200W<BR>S/N:42945<BR>DUE DATE:20/JUN/25.;[02] TASK CARD COMPLETED CERTIFIED AS RII<BR>PERFORMED SECONDARY STATIC BALANCE JIG CHECK AT RT ELEVATOR IAW B737-700 SRM 51-61-04-0G-0; STEPS 5.A (3)(B)1); 5.A (4);5.A (5)(A);(B);(C);5.A (6)(A);(B);(C);(D);(E) AND 5.A (7);(8).<BR>WR:-4.48<BR>SBHM : -104.83 LBFIN;<BR>EXISTING BALANCE WEIGHTS : 24 E/A.<BR>BALANCE WEIGHTS ADDED : 3 E/A.<BR>TOTAL WEIGHTS INSTALLED : 27 E/A; UPPER SIDE.<BR>AVAILABLE SPACES : 18 E/A; LOWER SIDE.<BR>TOOL USED : PROTRACTOR:P/N:PRO 360<BR>S/N:147115<BR>DUE DATE:26/AUG/25<BR>SCALE:P/N : PPC-200W<BR>S/N:42945<BR>DUE DATE:20/JUN/25.

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