Service difficulty report · Panel · Boeing 737790

Difficulty date
August 3, 2022
Submitted
August 26, 2022
Operation
Air carrier
Aircraft
N560WN
Make and model
Boeing 737790
Aircraft serial
30542
Aircraft time
70,697 hours, 34,642 cycles
Part
Panel
Condition
Eroded
Location
L/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

LT WING L/E PANEL 521WB HAS WIND EROSION ON FWD I/B CORNER (MARKED) / [01] PART/MATERIAL IDENTIFIED PER SRM 57-41-01-0I-4 FIG 2 TABLE 2 ITEM 1 .<BR>FOUND PANEL TO HAVE ADDITIONAL DAMAGE & PREVIOUS REPAIR REMOVED OUTER SURFACE FINISH & INNER SURFACE FOIL FOR FURTHER EVALUATION. PER SRM 57-41-01-1A-1 PARA 2. C.. STARTED DAMAGE REMOVAL AT FWD I/B CORNER IAW SRM51-70-05-2R-6 PARA 4 .STEPS A & B .;[02] DAMAGE IS BEYOND ALLOWABLE LIMITS IAW SRM 57-21-01-1A-1 PARAGRAPH4.A.(2).(A) AND WILL BE REPAIRED IAW SRM 51-70-05-2R-6 PER SRM 57-41-01-2R-1 PARAGRAPH 2.F. COMPLETED REMOVING INNER EDGEBAND DAMAGE FROM A .625'X'33' LOCATED ON THE FORWARD INBOARD EDGE; TAPER SANDED AREA AND CLEANED AREA WITH NO DISBOND OR CONTAMINATION NOTED; WORK ACCOMPLISHED IAW SRM 51-70-05-2R-6 PARAGRAPH 4.A-D15] FABRICATED FOIL PLY FROM BMS8-289 LOT NUMBER 1484605-1; INSTALLED FOIL PLY WITH BMS5-128 LOT NUMBER JH1LAR7523; VACUUM BAGGED; VERIFIED 5X5 AND SET FOIL REPAIR TO CURE WITH THE HOTBONDER ID: NCX000523 DUE: 06/2023; WORK PERFORMED IAW SRM 51-70-14-2R-2 PARAGRAPH 4.A.(3-4); (5).(A) AND (11).(A-K).