Service difficulty report · Panel · Boeing 7377H4

Difficulty date
August 4, 2021
Submitted
September 7, 2021
Operation
Air carrier
Aircraft
N755SA
Make and model
Boeing 7377H4
Aircraft serial
27871
Aircraft time
74,723 hours, 44,099 cycles
Part
Panel
Condition
Damaged
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 (8EA) ELONGATED ATTACH HOLES (MARKED) ; / [01] PART/MATERIAL IDENTIFIED PER SRM 53-40-70-0I-1 FIG 2 TABLE 2 ITEM 18 . <BR>PREVIOUS EDGE BAND REPAIRS FAILED ; DAMAGE EXCEEDS THE ALLOWABLE LIMITS AS GIVEN IN SRM 53-40-70-1A-1 PARA 4 B. <BR>REPAIR TO BE PERFORMED IAW SRM 51-70-05-2R-6 AS GIVEN IN SRM 53-40-70-2R-1 PARA 4 D REF TABLE 202; [02] VALIDATED APPLICABILITY OF REPAIR TO PANEL 193AR EDGEBAND TO BE COMPLETED IAW SRM 51-70-05-2R-6.; [03] VERIFIED CORRECTIVE ACTION 1 PER SRM 53-40-70-0I-1; SRM 53-40-70-1A-1; AND SRM 51-70-05-2R-6 <BR>VALIDATED REPAIR PER SRM 51-70-05-2R-6; [04] PERFORMED DAMAGE REMOVAL & SURFACE PREPARATION STEPS IAW SRM 51-70-05-2R-6 PARA 4 STEPS A-D; [05] INSPECTED ACTION 4; FABRICATED REPAIR PLIES THEN STARTED LAY UP & PLY COMPACTION IAW SRM 51-70-05-2R-0 PARA 4 K 1; [07] COMPLETED THE PLY COMPACTION AS GIVEN IN SRM 51-70-05-2R-0 PARA 4 K 1.<BR>COMPLETED THE REPAIR LAYUP VACUUM BAGGED LEAK CHECKED & SET FOR CURE IAW SRM 51-70-05-2R-6 PARA 4 STEPS E & F; [08] CURED THE REPAIR IAW SRM 51-70-05-2R-6 PARA 4 STEP G<BR>REF CAL TOOL HOT BONDER ID ATS532 SN 15092117; [09] VERIFIED CORRECTIVE ACTION ITEMS 6; 7; AND 8.; [10] UT INSPECTED REPAIR PER NDTM PART 4; 51-00-02. NO DISBONDS NOTED.<BR>CAL ID: ATS2341 S/N: 190848104; [11] REFINISHED INNER SURFACE IAW SRM 51-70-05-2R-6 PARA 4I.<BR>APPLIED CONDUCTIVE COATING TO OUTER SURFACE; <BR>RESISTIVITY TESTED GOOD WITH MULTIMETER ID:ATS1658 S/N:34000350<BR>IAW AMM 51-21-71-370-801 PARA 3D(1-4)(7).; [

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