Service difficulty report · Skin · Boeing 737724

Difficulty date
January 14, 2022
Submitted
January 17, 2022
Operation
Air carrier
Aircraft
N16713
Make and model
Boeing 737724
Aircraft serial
28784
Aircraft time
69,684 hours, 24,271 cycles
Part
Skin
Part number
143A32124
Condition
Damaged
Location
Sta400-420
Stage of operation
IN
How discovered
O
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

AIRCRAFT SKIN HAS GROUND DAMAGE STA.400 TO STA.420, S-20L TO S-22L. VISUALLY INSPECTED AREA OF REMOVED FUSELAGE SKIN STA 400-420 BETWEEN S20L AND S22L. NO FURTHER DAMAGE NOTED. OK TO CONTINUE. CUT AND REMOVED DAMAGE TO SKIN FROM STA.400 TO STA.420 BETWEEN S-20L AND S-22L PERFORMED HFEC INSPECTION OF CUTOUT AREA IAW AVO 731-22-01-06-01 PERFORMED HFEC INSPECTION OF COUNTERSINKS AND OPEN HOLES IN PERFORMED HFEC OF THE TRIM OUT ON STRINGER 21L IN THE REPAIR ORIG AND 737 NDT PART 6, 51-00-00 PROCEDURE 23. NO LIMITING REPAIR AREA REF AVO 731-22-01-06-01 STEPS 7 & 8, AND 737 NDT AREA, REF 737 NDT MANUAL PART 6 51-00-00-23. NO LIMITING DEFECTS NOTED. OK TO CONTINUE. QC775 MGH MANUAL PART 6 51-30-00-04 AND PT6 51-00-00-16. NO LIMITING DEFECTS NOTED. OK TO CONTINUE. MGH QC775. DEFECTS NOTED. OK TO CONTINUE. MGH QC775. #50002, & CARD ID #1571860. REF AVO 713-22-01-06-01 REV A B1: VERIFIED THE FOLLOWING INFO CONTINUED: -1 .040 MATERIAL VERIFIED WITH AERSALE RECEIVER UPDATED TAGS FOR MATERIAL FROM AERSALE. FOR MATERIAL. -1 REPAIR DOUBLER 2024-T3 CLAD .040". -2 REPAIR #255318 TO KAISER LOT #373776B4. -2 .063 MATERIAL VERIFIED WITH TRIPLER 2024-T3 CLAD .063". -3 STRUCTURAL FILLER 2024-T3 CLAD AERSALE RECEIVER #265686 TO KAISER LOT #390354B9. -3 VERIFIED .063". -1 & -2 PURCHASED FROM AERSALE WITH WO #003148, CARD TO UNITED PO #6225366. OK TO CONTINUE. MGH QC775. VERIFIED INSTALLATION OF REPAIR WASHERS, TREATED AND PRIMED FILLER, DOUBLER, AND TRIPLER. VERIFIED R