Service difficulty report · Tee Angle · Boeing 7377BD

Difficulty date
January 10, 2024
Submitted
February 6, 2024
Operation
Air carrier
Aircraft
N7728D
Make and model
Boeing 7377BD
Aircraft serial
33925
Aircraft time
56,658 hours, 29,668 cycles
Part
Tee Angle
Part number
UNKNOWN
Condition
Corroded
Location
Zone 100
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

CORROSION ON TEE ANGLE LOCATED INTERNAL CAVITY RT SIDE ON APU COMPARTMENT. 2023-784536<[01] TOOL USED DIGITAL CALIPER P/N: 500-752-20; S/N:B21014901; DUE DATE:24-OCT-24.;[02] REPLACED TEE ANGLE AND FASTENERS LOCATED LOCATED INTERNAL CAVITY RT SIDE ON APU COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 148A8650 SHEET 56 REV: - SEE INDIVIDUAL SIGN OFF BELOW;[03] CORRECTED STEP 2 <BR><BR>REPLACED TEE ANGLE AND FASTENERS LOCATED LOCATED INTERNAL CAVITY RT SIDE ON APU COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 148A8650 SHEET 56 REV: - SEE INDIVIDUAL SIGN OFF BELOW;[04] CORRECTED STEP 3<BR>REPLACED TEE ANGLE AND FASTENERS LOCATED INTERNAL CAVITY RT SIDE ON APU COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 148A8650 SHEET 56 REV: - SEE INDIVIDUAL SIGN OFF BELOW;[05] REPLACED TEE ANGLE AND FASTENERS LOCATED INTERNAL CAVITY RT SIDE ON APU COMPARTMENT IAW B737-700 SRM 51-40-02 AND DWG 148A8650 SHEET 56 REV: - SEE INDIVIDUAL SIGN OFF BELOW

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