Service difficulty report · Angle · Boeing 7378H4

Difficulty date
December 21, 2023
Submitted
January 24, 2024
Operation
Air carrier
Aircraft
N8559Q
Make and model
Boeing 7378H4
Aircraft serial
63584
Aircraft time
19,801 hours, 9,988 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

SURFACE CORROSION ON TRANSITION ANGLE; L/H SIDE FWD CARGO AT STA.500+3<[01] WORKED CORROSION PER SRM 51-10-02; REMOVED .012 MATERIAL. REWORK OUT OF LIMITS PER SRM 53-00-53-1A-1;[02] CUT AND REMOVED DAMAGED SECTION OF L/H TRANSITION ANGLE FROM STA 480+10 TO STA 500I I.A.W SRM 53-00-53-2R-5.;[03] FABRICATED REPAIR PARTS I.A.W SRM 53-00-53-2R-5 AND EA M-22-153-1550.;[04] FABRICATED REPAIR PARTS I.A.W SRM 53-00-53-2R-5 AND EA M-22-153-1550.;[05] TREATED AND PRIMED REPAIR PARTS I.A.W AMM 51-21-00.;[06] TREATED AND PRIMED REPAIR PARTS I.A.W AMM 51-21-00.;[07] INSTALLED BONDED NUTPLATES I.A.W SRM 51-40-10. <BR>03 JAN 2024 @ 1745 HOURS.;[08] INSTALLED BONDED NUTPLATES I.A.W SRM 51-40-10.<BR>03 JAN 2024 @ 1745 HOURS. C/W INSPECTION;[09] BONDED NUTPLATES FROM C/A #7 FAILED TEST;[10] INSTALLED BONDED NUTPLATES I.A.W SRM 51-40-10.<BR>04 JAN 2024 @ 1300 HOURS.;[11] INSPECTED WORK PERFORMED ON REPLACEMENT NUT PLATES ON C/A #10. NEW NUT PLATE TESTING REQUIRED.;[12] INSTALLED NEW REPAIR SECTION OF L/H TRANSITION ANGLE FROM STA 480+10 TO STA 500I I.A.W SRM 53-00-53-2R-5.;[13] C/W INSPECTION OF CORRECTIVE ACTION #12 ONLY;[14] REPAIRED SECTION OF L/H TRANSITION ANGLE FROM STA 480+10 TO STA 500I I.A.W SRM 53-00-53-2R-5.;[15] REPAIRED SECTION OF L/H TRANSITION ANGLE FROM STA 480+10 TO 500I I.A.W SRM 53-00-53-2R-5 AND EA M-22-153-1550.

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