Service difficulty report · Flap · Boeing 7377H4

Difficulty date
June 2, 2022
Submitted
June 15, 2022
Operation
Air carrier
Aircraft
N201LV
Make and model
Boeing 7377H4
Aircraft serial
29854
Aircraft time
58,679 hours, 34,769 cycles
Part
Flap
Condition
Delaminated
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

L/H O/B AFT FLAP; I/B T/E CORNER; UPPER SURFACE DELAM. / [01] EVALUATED LH OB AFT FLAP; DELAMINATION IS REPAIRABLE IAW B737 SRM 57-53-01-2R-4. REMOVED DELAMINATED UPPER SKIN; CLEANED AND PREPPED AREA IAW B737 SRM 51-70-10-2R-4 PAR 3 AND SRM 51-70-10-2R-0 REPAIR GENERAL. APPLIED BEOGEL AC130 AND ADHESIVE PRIMER BMS 5-89 BR6747-1 IAW B737 SRM 51-70-10-2R-0 PAR 14 AND 15. VERIFIED REPAIR MATERIALS IAW B737 SRM 57-53-01-0I-4;AND SRM 51-70-10-2R-0; AC130 (A121485); BR6747 (J89501); 7075-T6-016 (A68685); BMS5-101 (A68274). REQUIRES VERIFICATION OF ADHESIVE PRIMER THICKNESS AND OKAY TO BOND REPAIR.;[02] VERIFIED PRIMER THICKNESS IAW SRM 51-70-10-2R-0. FOUND TO BE IN LIMITS. TOOL#21860; DUE 22SEP22;[03] VERIFIED STEPS 1;2 OK TO APPLY REPAIR;[04] BONDED REPAIR IAW B737 SRM 57-53-01-2R-4 AND SRM 51-70-10-2R-0 PAR 18;20; AND 21; HEATCON BONDER STAAR 21183; CAL DUE 04/05/23; TAP TEST GOOD. <BR><BR>REQUIRES OKAY TO PAINT.;[05] VERIFIED STEP 4; OK GIVEN TO APPLY PRIME & PAINT;[06] STEP 4 IS RII; BONDED REPAIR;[07] RESTORED FINISH IAW B737 AMM 51-21-99-300-801.;[08] REPAIRED L/H O/B AFT FLAP I/B CORNER UPPER SURFACE IAW B737 SRM 57-53-01-2R-4 AND SRM 51-70-10-2R-0 REPAIR GENERAL.;[09] VERIFIED ITEM 7<BR>AUDIT C/W

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