Service difficulty report · Winglet · Boeing 737724

Difficulty date
November 2, 2023
Submitted
November 6, 2023
Operation
Air carrier
Aircraft
N14731
Make and model
Boeing 737724
Aircraft serial
28799
Aircraft time
76,208 hours, 27,402 cycles
Part
Winglet
Part number
73700102004
Part serial
N0580
Condition
Damaged
Location
R/H Winglet
Part time
52,583 hours, 19,983 cycles
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

R/H WINGLET DAMAGED DURING AIRCRAFT MOVE. REMOVED DAMAGED WINGLET PER AMM TASK 57-21-21-000-801. PERFORMED EC INSP OF EA WINGLET ATTACH BOLT HOLE IN THE CLOSURE RIB AND THE BOLT HOLES COMMON TO THE FWD AND AFT RIB ATTACH FITTINGS PER 737 NDT PART 6, 51-00-00 PROCEDURE 16 (RH WINGLET). NO CRACKS NOTED. PERFORMED EC INSP ON RH WINGLET AFT FWD CLOSURE RIB ATTACH FITTING AROUND EA OF THE FASTENERS THAT ATTACH THE FITTING TO THE FRONT SPAR PER 737 NDT PART 6, 51-00-00 PROCEDURE 23. NO CRACKS NOTED. PERFOMED HFEC ON RH WINGLET FWD SURFACE OF THE AFT CLOSURE RIB ATTACH FITTING AROUND EA OF THE FASTENERS THAT ATTACH THE FITTING TO THE REAR SPAR PER 737 NDT PART 6, 51-00-00 PROCEDURE 23. NO CRACKS NOTED. PERFOMED HFEC OF UPR AND LWR INSPAR SKINS AROUND EA OF THE FASTENERS THAT ATTACH THE CLOSURE RIB TO THE SKIN PER 737 NDT PART 6, 51-00-00 PROCEDURE 23. NO CRACKS NOTED. PERFORMED HFEC OF RH WINGLET UPR AND LWR INSPAR SKINS AROUND EA OF THE FASTENERS THAT ATTACH THE FRONT SPAR TO THE SKIN W/IN 8 INCHES OF THE END RIB PER 737 NDT PART 6, 51-00-00, PROCEDURE 23. NO CRACKS NOTED. PERFOMED HFEC ON RH WINGLET UPR AND LWR INSPAR SKINS AROUND EA OF THE FASTENERS THAT ATTCH THE REAR SPAR TO THE SKIN W/IN 8 INCHES OF THE END RIB PER 737 NDT PART 6, 51-00-00. NO CRACKS NOTED. WINGLETS, SS, B OFF 29-5700-9-0005 0580 ON 0000 WINGLETS, SS, B OFF 29-5700-9-0005 0580 ON 29-5700-9-0005 0453 REPLACED RIGHT WINGLET ASSY IAW AMM 57-21-21 ALL REQUIRED INSPECTIONS AND IDTS ACCOMPLISHED.