Service difficulty report · Panel · Boeing 73776N

Difficulty date
May 21, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N7733B
Make and model
Boeing 73776N
Aircraft serial
32678
Aircraft time
50,055 hours, 25,216 cycles
Part
Panel
Part number
193AR
Condition
Delaminated
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 DELAMINATIONS ON THE OUTER SURFACE (2EA) UPON INSPECTION OF PANEL FOUND 1EA ADDITIONAL DELAMINATION ON OUTER SURFACE 5' FROM FWD EDGE; 21.5' FROM I/B EDGE. ORIGINAL DAMAGE NOTED; AND DAMAGE FOUND; IS OUT OF ALLOWABLE DAMAGE LIMITS IAW SRM 53-40-70-1A-1 PAR 4A(6).REPAIRS TO BE ACCOMPLISHED IAW SRM 51-70-05-2R-2 PER SRM 53-40-70-2R-1 PAR 4B(1).REMOVED 1' DIAMETER OF DAMAGE TO OUTER SURFACE FACE SHEET AND PARTIAL CORE DEPTH AT 3EA AREAS ON OUTER SURFACE; FABRICATED AND INSTALLED REPAIR PLIES AT 3EA REPAIR AREAS USING FIBERGLASS BMS 8-79; CLASS 3; STYLE 120; LOT# 1488453-1 AND FILM ADHESIVE BMS 5-129; TYPE 2; GRADE 5; LOT# 1491228-1.VACUUM BAGGED REPAIRS; WORK ACCOMPLISHED IAW SRM 51-70-05-2R-2 PAR 4.D + F-I AND SRM 51-70-05-2R-11 PAR 4.B-D.

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