Service difficulty report · Angle · Boeing 7378H4

Difficulty date
April 20, 2024
Submitted
May 23, 2024
Operation
Air carrier
Aircraft
N8573Z
Make and model
Boeing 7378H4
Aircraft serial
64250
Aircraft time
19,244 hours, 9,887 cycles
Part
Angle
Part number
UNKNOWN
Condition
Corroded
Location
Bs 500a-500b
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

FWD CARGO R/H TRANSITION ANGLE UPPER SURFACE HAS CORROSION AT N/P AND FASTNER HOLES STA 500A - 500B RBL 23-25 WL 156. MRKD<[01] REMOVED CORROSION PER SRM 51-10-02. BLENDED AREA OUT OF LIMITS PER SRM 53-00-53-1A-2.;[02] INSPECTED/ VERIFIED THE WORK PERFORMED ON CORRECTIVE ACTION ON #1; NO DEFECTS NOTED.;[03] REMOVED FWD CARGO R/H TRANSITION ANGLE STA 500A - 500I PER SRM 51-40-02.;[04] REMOVED 5 EACH FASTENERS AT STA 500I BULKHEAD SUPPORT ANGLE STR 23R AND 25R TO F.O.M. PER SRM 51-40-02.;[05] LOCATED AND DRILLED NEW R/H TRANSITION ANGLE STA 500A TO 500I P/N:143A7501-188 PER SRM 51-40-05. COUNTERSUNK FASTENER HOLES AS REQUIRED PER SRM 51-40-08.;[06] INSPECTED WORKED PERFORMED ON CORRECTIVE ACTION #5.;[07] INSTALLED NEW R/H TRANSITION ANGLE P/N 143A7501-188 STA 500A TO STA 500I PER SRM 51-40-02.;[08] CORRECTION MADE TO MEASUREMENT #1.;[09] VERIFIED CORRECTIVE ACTION #7

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