Service difficulty report · Flap · Boeing 737*

Difficulty date
February 28, 2022
Submitted
March 9, 2022
Operation
Air carrier
Aircraft
N490WN
Make and model
Boeing 737*
Aircraft serial
32476
Aircraft time
58,772 hours, 34,863 cycles
Part
Flap
Condition
Delaminated
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

RH OUTBD AFT FLAP INBD CORNER DELAMINATED / [01] EVALUATED R/H OUTBD AFT FLAP INBD CORNER AND FOUND AREA OF DELAMINATION OF 5'X6'.FOUND TO BE REPAIRABLE. IAW B737-700 SRM 57-53-01-2R-4 PAR1A REV 75. REMOVED DAMAGED SKIN FOR REPAIR. NO DAMAGE TO CORE. CLEAN AND PREP FOR REPAIR. IAW B737-700 SRM 51-70-10-2R-0. PAR 6;7;8&9. REV75. APPLIED BO-GEL AND ADHESIVE PRIMER. IAW B737-700 SRM 51-70-10-2R-0 PAR 14&15.(A111068);(A45722). NEED OK TO BOND.;[02] VERIFIED PRIMER THICKNESS IAW SRM 51-70-10-2R-0. FOUND TO BE IN LIMITS. TOOL#21860; DUE 22SEP22.;[03] OK TO INSTALL REPAIR;[04] BONDED REPAIR DOUBLER'S. IAW B737-700 SRM 51-70-10-2R-0 PAR 18;20&21. TAP TEST GOOD.(A80169) 7075-T6-.025.(A54056) 7075-T6-.020.(A68274) FILM ADHESIVE. NEED OK TO APPLY DECORATIVE FINISH.;[05] VERIFIED ITEM 4; OK TO PRIME AND PAINT;[06] APPLIED DECORATIVE FINISH. IAW B737 AMM 51-21-99-300-801 REV 76 (A79762);(A99201).;[07] REPAIRED AREA OF DELAMINATION ON RIGHT WING O/B AFT FLAP INBD CORNER. IAW B737-700 SRM 57-53-01-2R-4; SRM 51-70-10-2R-4; SRM 51-70-10-2R-0; AMM 51-21-99-300-801.;[08] VERIFIED STEP 6;7<BR>C/W