Service difficulty report · Fairing · Boeing 7378H4

Difficulty date
June 9, 2022
Submitted
June 15, 2022
Operation
Air carrier
Aircraft
N8630B
Make and model
Boeing 7378H4
Aircraft serial
42521
Aircraft time
27,694 hours, 12,732 cycles
Part
Fairing
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

FAIRING PANEL # 192K HAS MISSING PLIES ON EXTERIOR SIDE OF PANEL / [01] IDENTIFIED PANEL IAW SRM 53-40-70-0I-1 TABLE2; FIG2; ITEM 11; EFF 4914. DAMAGE TO OUTER SURFACE IS BEYOND ALLOWABLE DAMAGE LIMITS IAW SRM 53-40-70-1A-1 PARA 4.A(6)(C).DAMAGE WILL BE REPAIRED IAW SRM 51-70-05-2R-1 AS GIVEN IAW SRM 53-40-70-2R-1 PARA 4.B(1) TABLE 201; 250 DEGREE PREPREG CURE. OUTER SURFACE FLAMESPRAY COATING WILL BE APPLIED UPON COMPLETION OF REPAIR TO FIBERGLASS PLIES IAW SRM 51-70-14-2R-1 PARA 5. UPON RECEIPT OF PANEL; IT WAS NOTED THAT APPROX 75% OF OUTER SURFACE FIBERGLASS SKIN PLY MISSING. REMOVED REMAINDER OF ENTIRE DELAMINATED PLY FROM OUTER SURFACE AS WELL AS ALUMINUM FLAMESPRAY COATING IAW SRM 51-70-05-2R-1 PARA 4.A & 4.B AND SRM 51-70-14-2R-1 PARA 2.C - 2.E.;[02] VERIFIED CORRECTIVE ACTION 1<BR><BR>VALIDATED REPAIR PER SRM 51-70-05-2R-1;[03] VALIDATED APPLICABILITY OF REPAIR TO BE COMPLETED IAW SRM 51-70-05-2R-1.;[04] FABRICATED REPAIR PLIES OUT OF BMS 8-79 ST 1581 LOT#1491918-1 AND BMS 5-129 GR5 LOT#1488462-1; INSTALLED; VACUUM BAGGED; CHECKED FOR LEAKS AND SET TO CURE USING HEATCON HOTBONDER ID:ATS532 CALIBRATION DUE DATE:06/2023 IAW SRM 51-70-05-2R-1 PAR 4C-E.

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