Service difficulty report · Panel · Boeing 7377H4

Difficulty date
June 7, 2023
Submitted
July 17, 2023
Operation
Air carrier
Aircraft
N963WN
Make and model
Boeing 7377H4
Aircraft serial
36676
Aircraft time
38,123 hours, 23,431 cycles
Part
Panel
Part number
UNKNOWN
Condition
Debonded
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 193D OUTER SKIN IS DISBONDED. (MARKED)<[01] IDENTIFIED PANEL MATERIAL IAW SRM 53-40-70-0I-1 FIG 2 TABLE 2 ITEM 12.<BR>FOUND DAMAGE TO 2EA AREAS TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-40-70-1A-1 PARA 4.A(6).<BR>DAMAGE WILL BE REPAIRED IAW SRM 51-70-05-2R-2 PER SRM 53-40-70-2R-1 TABLE 201.<BR>REMOVED DAMAGED SKIN AND CORE TO 1.0' DIAMETER IN 2EA LOCATIONS; CLEANED REPAIR AREA IAW SRM 51-70-05-2R-2 PARA 4.A-C.;[02] VALIDATED APPLICABILITY OF SRM 51-70-05-2R-2.;[03] INSPECTED PANEL. OK TO CONTINUE;[04] APPLIED POTTING BMS 5-28TY7 LOT#AK2JP8360K TO OPEN CORE AND SET FOR ROOM TEMPERATURE CURE IAW SRM 51-70-05-2R-2 PARA 4.D(NOTE) AND SRM 51-70-05-2R-11 PARA 4.A-B.;[05] COMPLETED ROOM TEMPERATURE POTTING CURE; SANDED SMOOTH TO SURFACE; CLEANED REPAIR AREA; FABRICATED AND INSTALLED REPAIR PLIES USING BMS 8-79ST120 LOT#1529520-2; ADHESIVE BMS 5-129GR5 LOT#1529514-3; VACUUM BAGGED; LEAK CHECK GOOD; CURED; UNBAGGED AND LIGHTLY SANDED REPAIRS IAW SRM 51-70-05-2R-11 PARA 4.C-E AND SRM 51-70-05-2R-2 PARA 4.G-I; K.<BR><BR>REQUEST POST CURE NDI IAW SRM 51-70-05-2R-2 PARA 4.J.

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