Service difficulty report · None · Boeing 737824

Difficulty date
October 18, 2021
Submitted
October 20, 2021
Operation
Air carrier
Aircraft
N76519
Make and model
Boeing 737824
Aircraft serial
30132
Aircraft time
36,143 hours, 12,282 cycles
Part
None
Part number
172A20101
Condition
None
Location
Lhs Upper Skin
Stage of operation
IN
How discovered
V
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

REF L/P 7147131 DAMAGE TO LHS UPPER SKIN SPAR AND LHS SPAR CHORD C/W STEPS 3-4-5 OF AVO9186. STEP 1 OF AVO 9186 PCW ON L/P 7147131 PERFORMED STEPS 3, 4 AND 5 OF AVO 9186. DAMAGE REMOVED ON SKIN ACCOMPLISHED EXTERNAL INSPECTION OF THE IMPACTED AREA AND 20 ACCOMPLISHED INTERNAL INSPECTION PER AVO9186 STEP 6 NO OTHER C/W STEPS 7-8-9 OF AVO9186 HFEC NO CRACKS NOTED AT THIS TIME PER COMPLETED STEP 10 OF AVO9186 . ALL PICS AND DIMENSIONS HAVE BEEN AND CHORD. REMOVED FASTENERS. INCHES AROUND IT PER AVO9186 NO OTHER DAMAGE NOTED AT THIS TIME. DAMAGE FOUND AT THIS TIME, NDT MANUAL PART 6 51-00-00. FWD TO ESC. LAYED OUT REPAIR FOR DOUBLER ON SKIN PER AVO 9186 REV A. NEED TO PERFORM MATERIAL VERIFICATION FOR FABRICATION OF REPAIR VERIFIED MATERIALS AS (1) DOUBLER-0.071" 2024-T3 PO#7217276 (2) PARTS PER AVO 9186 REV A PER PART 1 (B) STEP 1 FIGURES 4 & 5 FILLER-0.050" 2024T3 PO#9271568 (3) FILLER- 0.020 2024T3 PO#5047721 (4) REPAIR ANGLE- 0.10" 7075-T73511EXTRUSION PO#4326285 PER AVO9186 REV. A PART 1: B. STEP 1 AND FIGURES 4 & 5. OK TO CONTINUE WITH FABRICATION OF REPAIR PARTS. REF LP 7156309 FOR STEPS 13/14/15 OF AVO 9186 REV B COMPLIED WITH STEP 12 OF AVO9186 REV B, SENT PHOTO OF THE DATA TAG TO ESC AND ATTACHED TO THE TOCS LOG. STEP 10 & 12 OF AVO9186 REV B REQUIRES QC BUY BACK. VERIFIED THE ACOMPLISHMENT OF STEP 10 AND 12 OF AVO 9186 REV. B. SEE L/P 7156309 FOR STEP 11 OF AVO9186 REV B. NOTE VERIFIED THE ACCOMPLISHMENT OF STEP 11 OF AVO 9186 REV. B ON L/P 7156309. OK TO