Service difficulty report · Skin · Boeing 7377BD

Difficulty date
April 15, 2022
Submitted
May 11, 2022
Operation
Air carrier
Aircraft
N7736A
Make and model
Boeing 7377BD
Aircraft serial
35109
Aircraft time
50,096 hours, 25,534 cycles
Part
Skin
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 SKIN IS DELAMINATED. (MARKED) / [01] IDENTIFIED PANEL MATERIAL IAW SRM 53-60-70-0I-1 FIG 2 TABLE 2 ITEM 6.<BR>FOUND DAMAGE TO 3EA AREAS ON OUTER SURFACE TO BE OUT OF ALLOWABLE LIMITS IAW SRM 53-60-70-1A-1 4.A(6).<BR>DAMAGE WILL BE REPAIRED IAW SRM 51-70-05-2R-2 PER SRM 53-60-70-2R-1 TABLE 201.<BR>REMOVED 3EA AREAS OF DAMAGED SKIN AND CORE TO 1.0' DIA. AND CLEANED REPAIR AREAS IAW SRM 51-70-05-2R-2 PARA 4A-C.;[06] FABRICATED REPAIR PLIES FROM BMS 8-79ST120 LOT#1488461-1 AND ADHESIVE BMS 5-129GR5 LOT#1482238-1; INSTALLED; VACUUM BAGGED; LEAK CHECK GOOD AND CURED WITH HOTBONDER ID:ATS883 CAL DUE 10/2022; UNBAGGED AND LIGHTLY SANDED IAW SRM 51-70-05-2R-2 PARA 4G-I;K.;[07] VERIFIED CORRECTIVE ACTION ITEMS 4 - 6.<BR><BR>UT INSPECTED REPAIR PER NDTM PART 4; 51-00-02. NO DISBONDS NOTED.<BR>CAL ID: ATS2031 S/N: 170515011 DUE: 03/2023;[08] APPLIED AND CURED BMS 10-21 TY III LOT#S21G489 CONDUCTIVE COATING USING THERMOMETER ID:ATS2208 CALIBRATION DUE DATE:10/2022; CONDUCTIVITY TESTED GOOD USING MULTIMETER ID:ATS1658 CALIBRATION DUE DATE:03/2023 IAW AMM 51-21-71-370-801 PAR 3D(1-4;7A).<BR><BR>COMPLETED FINAL REFINISH OF PANEL IAW SRM 51-70-05-2R-2 PAR 4K AND AMM 51-21-99-300-802 PAR 3C(1). <BR><BR>COMPLETED SRM REPAIR 51-70-05-2R-2.;[09] VERIFIED CORRECTIVE ACTION 8 AND MEASUREMENT TABLE

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