Service difficulty report · Support · Boeing 7377H4

Difficulty date
August 19, 2023
Submitted
September 7, 2023
Operation
Air carrier
Aircraft
N903WN
Make and model
Boeing 7377H4
Aircraft serial
32457
Aircraft time
51,287 hours, 30,971 cycles
System (JASC)
5751 · Ailerons
Part
Support
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

CUSTOMER REQUEST CORROSION ON SUPPORT AILERON FEEL CENTERING UNIT AT MAIN WHEEL WELL 2023-491870<[01] REMOVED AND REPLACED UPPER SUPPORT ASSEMBLY AT AILERON CENTERING MECHANISM IAW BOEING SOPM 27-14-22; STEP 2.B (3);(4);(5);(7);(8) PAGE 301 AND 2.C (25) UP TO 2.C (32); EXCEPT 2.C (28); PAGE 703; FIG 1; DETAIL D; SHEET 3 OF 4; PAGE 1013.<BR>TOOL USED : TORQUE P/N : QD1R200A; S/N : 0821901544; DUE DATE : 07-SEP-23.;[02] REMOVED AND REPLACED UPPER SUPPORT ASSEMBLY AT AILERON CENTERING MECHANISM IAW BOEING SOPM 27-14-22; STEP 2.B (3);(4);(5);(7);(8) PAGE 301 AND 2.C (25) UP TO 2.C (32); EXCEPT 2.C (28); PAGE 703; FIG 1; DETAIL D; SHEET 3 OF 4; PAGE 1013.<BR>TOOL USED : TORQUE P/N : QD1R200A; S/N : 0821901544; DUE DATE : 07-SEP-23.

More about the Boeing 737-7H4