Service difficulty report · Fairing · Boeing 7378H4

Difficulty date
March 5, 2022
Submitted
March 23, 2022
Operation
Air carrier
Aircraft
N8683D
Make and model
Boeing 7378H4
Aircraft serial
36738
Aircraft time
20,316 hours, 9,429 cycles
Part
Fairing
Part number
194DL
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

FAIRING PANEL # 194DL IS DAMAGED 14' AFT OF LEADING EDGE 16' FROM OUTBOARD EDGE OF PANEL / 2.40' DIAMETER DELAMINATION EXCEEDS THE ALLOWABLE LIMITS AS GIVEN IN SRM 53-60-70-1A-1 PARA 4 A (6).<BR>REPAIR TO BE PERFORMED IAW SRM51-70-05-2R-2 AS GIVEN IN SRM 53-60-70-2R-1 PARA 4 D TABLE 201 .<BR>PERFORMED DAMAGE REMOVAL & SURFACE PREPARATION IAW SRM 51-70-05-2R-2 PARA 4 STEPS A-C FABRICATED REPAIR CORE FROM BMS8-124 ; TYPE 5; CLASS 4; GRADE 3 LOT NUMBER 810033; INSTALLED REPAIR CORE WITH BMS5-90 TYPE 3 CLASS 1GRADE 50 LOT NUMBER 1476631-1 AND BMS5-129 GRADE 05 LOT NUMBER1483751-1 ; VACUUM BAGGED; VERIFIED 5X5; SET REPAIR TO CURE AND CURED REPAIR USING HOTBONDER ID: ATS532 S/N: 15092117; UNBAGGED CORE PLUG; SANDED CORE PLUG FLUSH; CLEANED REPAIR AREA; FABRICATED REPAIR PLIES FROM BMS8-336; BMS5-129 GRADE 10 LOT NUMBER 1481053-1; BMS5-129 GRADE 05 LOT NUMBER1483751-1 AND BMS8-79 STYLE 120 LOT NUMBER 1479020-2; INSTALLED PLIES; VACUUM BAGGED PLIES;FABRICATED REPAIR CORE USING BMS8-124 TY5 CL4 GR3 LOT#810033 IAW SRM 51-70-05-2R-2 PAR.4 D;WORK ACCOMPLISHED IAW SRM 51-70-05-2R-2 PARAGRAPH 4.D-I AND K AND SRM 51-70-14-2R-4 PARAGRAPH 6.C-D; H-I AND K.(1)-(11).(A).1) AND (12)DAMAGE TO OUTER SURFACE WAS REPAIRED IAW SRM 51-70-05-2R-2. REPAIR COMPLETE.

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