Service difficulty report · Panel · Boeing 737*

Difficulty date
February 16, 2022
Submitted
March 3, 2022
Operation
Air carrier
Aircraft
N469WN
Make and model
Boeing 737*
Aircraft serial
33859
Aircraft time
59,572 hours, 35,384 cycles
Part
Panel
Condition
Delaminated
Location
Fuselage
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

PANEL 193AR HAS DELAMINATION TO OUTER SURFACE 30' FROM I/B EDGE; 7' FROM FWD EDGE / [01] IDENTIFIED PANEL MATERIAL IAW SRM 53-40-70-0I-1 FIG 2 TABLE 2 ITEM 18. <BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-40-70-1A-1 PARA 4A(6). <BR>DAMAGE WILL BE REPAIRED IAW SRM 51-70-05-2R-1 PER SRM 53-40-70-2R-1 TABLE 201. <BR>REMOVED DELAMINATED PLIES APPROX.6.0'X14.5 IN DIAMETER AND CLEANED REPAIR AREA IAW SRM 51-70-05-2R-1 PARA 4A-B.;[02] VALIDATED APPLICABILITY OF SRM 51-70-05-2R-1.;[03] VERIFIED CORRECTIVE ACTIONS 1; 2.;[04] FABRICATED; INSTALLED REPAIR PLIES AND SET TO CURE; USING BMS 5-129 GR5 LOT# 1482238-1 AND BMS 8-79ST120 LOT# 1482266-2 WITH BONDER/NCX000523/11051262. IAW SRM 51-70-05-2R-1 PARA4.C-E.;[05] CURED REPAIR PLIES; UNBAGGED AND LIGHTLY SANDED IAW SRM 51-70-05-2R-1 PARA 4.E AND G. PERFORM POST CURE NDI IAW SRM 51-70-05-2R-6 PARA 4.F.;[06] PERFORM POST CURE NDI IAW SRM 51-70-05-2R-1 PARA 4.F.;[07] VERIFIED CORRECTIVE ACTION ITEMS 4 - 6.<BR><BR>UT INSPECTED REPAIR PER NDTM PART 4; 51-00-02. NO DISBONDS NOTED.<BR>CAL ID: ATS2341 S/N: 190848104;[08] APPLIED BMS10-21 TYPE III CONDUCTIVE COATING ;CURED THEN TESTED GOOD IAW AMM 51-21-71-370-801 PARA 3 D STEPS 1-4 & 7. REF CAL TOOL MULTIMETER ID ATS1658 SN 34000350.<BR>RESTORED THE FINISH USING BMS10-103 PRIMER & BMS10-60 ENAMEL IAW SRM 51-70-05-2R-1 PARA 4 STEP G.;[09] PANEL 193AR DELAMINATION ON THE OUTER SURFACE 30' FROM I/B EDGE 7' FROM THE FWD EDGE WAS REPAIRED IAW SRM 51-70-05-2R-1;[10] INSPECTION COMPLETE