Service difficulty report · Panel · Boeing 7377H4

Difficulty date
October 5, 2022
Submitted
November 9, 2022
Operation
Air carrier
Aircraft
N201LV
Make and model
Boeing 7377H4
Aircraft serial
29854
Aircraft time
59,586 hours, 35,374 cycles
Part
Panel
Condition
Cracked
Location
Zn 100 Fus Lower
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 193AL HAS SEVERAL CRACKED PULLED THROUGH FASTENER HOLES / [01] IDENTIFIED PANEL 193AL MATERIAL ACCORDING TO SRM 53-40-70-0I-1; FIG. 2; TABLE 2; ITEM 7.<BR><BR>FOUND DAMAGE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-40-70-1A-1; PARA'S 2.D AND 4.B.(2). <BR><BR>AREAS TO BE REPAIRED ACCORDING TO SRM 51-70-04-2R-9; AS REQUIRED BY SRM 53-40-70-2R-1; PARA'S 2; 4.B.(2); AND TABLE 202.<BR><BR>REMOVED DAMAGED PLIES TO A REGULAR SHAPE AT SEVEN FASTENER LOCATIONS; TAP TESTED AREAS (NO DISBONDS NOTED); REMOVED CONTAMINANTS FROM REPAIR AREA; ALL ACCORDING TO SRM 51-70-04-2R-9; PARA'S 4.A THRU 4.C.; AND SRM 51-70-14-2R-4 . PARA. 5.A.(2).(B).;[02] REMOVED O/B EDGE SEAL ACCORDING TO SRM 51-40-02-0G-0; PARA. 9.;[10] FABRICATED AND INSTALLED REPAIR PLIES USING BMS 8-139ST120 LOT#1500434-1; BMS 8-139ST1581 LOT#1501797-1 AND ADHESIVE BMS 5-154 LOT#1501794-1; VACUUM BAGGED; LEAK CHECK GOOD AND SET REPAIRS TO CURE USING HOTBONDER ID:ATS532 CAL DUE 06/2023 IAW SRM 51-70-05-2R-6 PARA 4E-G.[21] PANEL 193AL CRACKED & PULLED FASTNER HOLES WERE REPAIRED IAW SRM 51-70-05-2R-6;[22] VERIFIED CORRECTIVE ACTION ITEM 19-21; AND MEASUREMENT FIELDS; CARD COMPLETE.

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