Service difficulty report · Control Unit · Boeing 757224

Difficulty date
June 19, 2023
Submitted
June 22, 2023
Operation
Air carrier
Aircraft
N19117
Make and model
Boeing 757224
Aircraft serial
27559
Aircraft time
103,402 hours, 21,859 cycles
Part
Control Unit
Part number
15406003
Part serial
2116
Condition
Inoperative
Location
Lh Inbd Aileron
Part time
67,860 hours, 19,091 cycles
Stage of operation
CL
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

A/C REQD 7 UNITS OF RT TRIM THRU FL340 AND 5 UNITS IN CRZ. L AIL LOOKS DEFLECTEDLEFT INBD AILERON PCA REQUIRES REPLACEMENT FOR PRECAUTIONARY REF. LOGPAGE 4909755. REMOVED LEFT INBD AILERON PCA PER AMM TASK 27-11-20-022-006 AND TASK PROGRESS SCREEN SHOTS ADDED PERFORMED PRE-INSTALLATION INSPECTION. NO DEFECTS NOTED. REPLACED PER AMM TASK 27-11-20-422-018 STEP 3.A. THRU VERIFIED INSTALLATION REF. AMM TASK 27-11-20-422-018 STEP 3.A. 3.H.(1)(B)2). (TIGHTEN THE NUT (14) TO 1300 - 2000 POUND INCHES) UP TO AND INCLUDING 3.H.(1)(B)2). QC263164. SEE TASK PROGRESS SCREEN SHOT. ADD EMP:U104352 COMPLETED LEFT INBD AILERON PCA INSTALL PER AMM TASK 27-11-20-022-006. RII INSP REQ VERIFIED LEFT INBD AILERON PCA INSTALLATION, TORQUE, SECURITY, RIG, AND OPS TEST REF AMM 22-11-20-422-018 VERIFIED LOCKING DEVICE AND RIG PIN REMOVAL INFORMATION UPDATE. CORRECT ATA REF FOR INSTALLATION 27-11-20-422-018. ROTABLE PARTS CHANGE WAS INDICATED - TT # 1947452 SN OFF 2116 UNIT, POWER CON OFF 19-2711-9-0004 2116 ON 19-2711-9-0004 2173