Service difficulty report · Angle · Boeing 7378H4

Difficulty date
October 4, 2023
Submitted
November 3, 2023
Operation
Air carrier
Aircraft
N8552Z
Make and model
Boeing 7378H4
Aircraft serial
63580
Aircraft time
19,555 hours, 9,780 cycles
Part
Angle
Part number
UNKNOWN
Condition
Corroded
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

AFT CARGO L/H TRANSITION ANGLE HAS CORROSION STA 747-767<[01] REMOVED CORROSION ON L/H TRANSITION ANGLE AT STA.747-767 PER SRM 51-10-02. FOUND TO BE OUT OF ALLOWABLE LIMITS PER SRM 53-00-53-1A-2.;[02] REMOVED DAMAGED SECTION FROM LBL-21 STA. 727J+10 THRU 787+8 PER SRM 53-00-53-1A-2.;[03] DRILLED NEW TRANSITION ANGLE AND REPAIR PARTS STA 727J+10 THRU 787+8; AND TREATED AND PRIMED REPAIR PARTS PER SRM 53-00-53-2R-5;[04] C/W INSP. DRILLED NEW TRANSITION ANGLE AND REPAIR PARTS STA 727J+10 THRU 787+8; AND TREATED AND PRIMED REPAIR PARTS PER SRM 53-00-53-2R-5;[11] ADDED RII LABOR ROW TO COMPLY WITH MEASUREMENT ITEM #1 REQUIREMENTS.;[12] REMOVED AND REPLACED L/H TRANSITION ANGLE FROM STA.727J+10 TO STA.787+8 PER SRM 53-00-53-2R-5 AND COMPLETED PUSH TEST OF NUTPLATES PER SRM 51-40-10-2R-0.;[13] RII< COMPLIED WITH INSPECTION; REMOVED AND REPLACED L/H TRANSITION ANGLE FROM STA.727J+10 TO STA.787+8 PER SRM 53-00-53-2R-5 AND COMPLETED PUSH TEST OF NUTPLATES PER SRM 51-40-10-2R-0.

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