Service difficulty report · Angle · Boeing 7378H4

Difficulty date
September 5, 2024
Submitted
September 19, 2024
Operation
Air carrier
Aircraft
N8650F
Make and model
Boeing 7378H4
Aircraft serial
36909
Aircraft time
33,704 hours, 16,155 cycles
Part
Angle
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
V
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 L/H TRANSITION ANGLE STA 500E TO STA 500I HAS CORROSION AROUND SEVERAL FASTENER HOLES.<[01] BLENDED AREAS OF CORROSION ON FWD CARGO L/H TRANSITION ANGLE STA 500E TO STA 500I; BLENDS ARE OUT OF LIMITS ALL IAW SRM 53-00-53-1A-2.;[02] CUT FWD CARGO; L/H TRANSITION ANGLE AT STA. 500B+12 AND REMOVED L/H TRANSITION ANGLE FROM STA. 500B+12 TO STA. 500I ALL IAW SRM 53-00-53-2R-5; REPAIR 5.;[03] FABRICATED REPAIR PARTS PER SRM 53-00-53-2R-5 REPAIR 5 AND SRM 51-40-06 ALODINED PARTS PER AMM 51-21-41;[04] PAINTED REPAIR PARTS PER AMM 51-21-72;[05] INSPECTION VERIFIED CA#1-4;[06] OK TO INSTALL REPAIR PARTS.;[07] INSTALLED REPAIR PARTS PER SRM 53-00-53-2R-5 AND SRM 51-40-02;[08] RII INSPECTION C/W;[09] INSTALLED BONDED NUTPLATES ON REPAIR PARTS FROM STA 500E TO STA 500I PER ARM 51-40-10 NUTPLATES INSTALLED AT 3:30 AM ON 09/16/24;[10] INSTALLED BONDED NUTPLATES ON REPAIR PARTS FROM STA 500E TO STA 500I PER SRM 51-40-10 NUTPLATES INSTALLED AT 3:30 AM ON 09/16/24;[11] VERIFIED CA #10.;[12] BONDED NUTPLATES PUSH TEST GOOD PER SRM 51-40-10;[13] INSPECTED BONDED NUT PLATES PUSH TEST GOOD PER SRM 51-40-10;[14] FWD CARGO L/H TRANSITION ANGLE STA 500E TO STA 500I REMOVED AND REPLACED PER SRM 53-00-53-2R-5. BONDED NUTPLATE PUSH TEST C/W PER SRM 51-40-10. PLEASE SEE CORRECTIVE ACTIONS 1-13 PER DETAILS.;[15] VERIFIED FWD CARGO L/H TRANSITION ANGLE STA 500E TO STA 500I REMOVED AND REPLACED PER SRM 53-00-53-2R-5. SEE INDIVIDUAL SIGNOFFS FOR DETAILS.RII IS C/W.

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