Service difficulty report · Skin · Boeing 7377BD

Difficulty date
September 28, 2023
Submitted
October 20, 2023
Operation
Air carrier
Aircraft
N7720F
Make and model
Boeing 7377BD
Aircraft serial
33922
Aircraft time
57,303 hours, 30,551 cycles
Part
Skin
Part number
UNKNOWN
Condition
Delaminated
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

CUSTOMER REQUEST- DELAMINATED EXTERNAL SKIN LOC. AT STA 1156 PLUS 17IN AND WL308 RH SIDE AT TAILCONE 2023-610118 EXACTLY LOC. AT STA 1156 PLUS 17IN AND WL300 RH SIDE AT TAILCONE<[01] TOOL USED: CALIPER P/N: 500-752-20; S/N: B21037208; DUE DATE: 04 MAR 24.;[02] TOOL USED: THERMOGRAFY CAMERA; P/N: FLIR-T530; S/N:69316001 CAL DUE DATE:23-JAN-24;[03] TOOL USED: CALIPER P/N 4996A52; S/N 200814539; DUE DATE: 16-MAR-24.;[04] TOOL USED HOT BONDER P/N HCS9200B; S/N 16122983; DUE DATE: 24-JAN-24.;[05] TOOL USED: SCALE P/N: CR5200; S/N: 8343110814; DUE DATE: 20 FEB 24.;[06] TOOL USED SCALE P/N 91847; S/N AE-409317; DUE DATE: 12-JUN-24.;[07] TOOL USED HOT BONDER P/N HCS9200B; S/N 16122983; DUE DATE: 24-JAN-24.;[08] REPAIR EXTERNAL SKIN LOC. AT STA 1156 PLUS 17IN AND WL308 RH SIDE AT TAIL CONE . IAW B737-700 SRM 53-80-70-2R-1 AND B737-700 SRM 51-70-04-2R-1 REPAIR 1. SEE INDIVIDUAL SIGNOFFS BELOW.;[09] REPAIR EXTERNAL SKIN LOC. AT STA 1156 PLUS 17IN AND WL308 RH SIDE AT TAIL CONE . IAW B737-700 SRM 53-80-70-2R-1 AND B737-700 SRM 51-70-04-2R-1 REPAIR 1. SEE INDIVIDUAL SIGNOFFS BELOW.

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