Service difficulty report · Panel · Boeing 7377H4

Difficulty date
July 24, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Panel
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

PANEL 194CR OUTER SURFACE DELAMINATION; 7.75' FROM I/B END; 7.5' FROM FWD EDGE ; / [01] PART/MATERIAL IDENTIFIED IAW SRM 53-60-70-0I-1 FIG 2 TABLE 2 ITEM 6 .<BR>7/16 DIA DELAMINATION EXCEEDS THE ALLOWABLE LIMITS AS GIVEN IN SRM 53-60-70-1A-1 PARA 4 A (6) .<BR>REPAIR TO BE PERFORMED IAW SRM 51-70-05-2R-2 AS GIVEN IN SRM 53-60-70-2R-1 PARA 4 D REF TABLE 201; [02] VALIDATED REPAIR PER SRM 51-70-05-2R-2; [03] PERFORMED DAMAGE REMOVAL & SURFACE PREPARATION STEPS IAW SRM 51-70-05-2R-2 PARA 4 STEPS A ; B ; & C .; [04] VERIFIED MATERIAL ID PER SRM 53-60-70-0I-1<BR>VERIFIED DAMAGE IS OUT OF LIMITS PER SRM 53-60-70-1A-1<BR>VALIDATED REPAIR PER SRM 51-70-05-2R-2 <BR>VERIFIED WORK PERFORMED PER SRM 51-70-05-2R-2;

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