Service difficulty report · None · Boeing 737790

Difficulty date
August 2, 2022
Submitted
August 29, 2022
Operation
Air carrier
Aircraft
N560WN
Make and model
Boeing 737790
Aircraft serial
30542
Aircraft time
70,697 hours, 34,642 cycles
Part
None
Condition
Cracked
Location
R/H Wing
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

LOWER SURFACE OF #7 L/E SLAT NOSE SKIN IS CRACKED AT ACTUATOR RIB FASTENER HOLE. (MARKED) / [01] TRIMMED OUT THE DAMAGE PART OF THE SLAT NOSE SKIN; CUT OUT DIMENSIONS 6.4' X 3.0' IAW SRM 57-42-01-2R-8;[02] HFEC REQUEST AT THE EDGES OF THE CUT OUT AND OPEN HOLES WITHIN THE REPAIR AREA TO ENSURE NO OTHER DAMAGE EXIST;;[03] HFEC INSPECTED CUTOUT AREA IAW 737 NDTM PART 6 51-00-00 PROCEDURE 23.<BR>NO CRACKS NOTED.<BR><BR>HFEC INSPECTED OPEN HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16. <BR>NO CRACKS NOTED.<BR><BR><BR>EQUIP USED:<BR>-NORTEC 600 ID: ATS2353 CAL DUE: 01/23<BR>-MINIMITE ID: IS000934 CAL DUE: 08/22;[04] VERIFIED CORRECTIVE ACTION #1;[05] FABRICATED REPAIR PARTS (1)DOUBLER 7075 T6 CLAD 0.071' LOT# 1478276-1; (2) FILLER 7075 T6 CLAD 0.063' LOT# 1375297-3 APPLIED CHEMICAL CONVERSION COATING IAW SRM 57-42-01-2R-8 FIG 202 ALTERNATIVE 1; OK TO PRIME;