Service difficulty report · Angle · Boeing 7378H4

Difficulty date
October 18, 2024
Submitted
November 25, 2024
Operation
Air carrier
Aircraft
N8509U
Make and model
Boeing 7378H4
Aircraft serial
36925
Aircraft time
26,850 hours, 13,267 cycles
Part
Angle
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 R/H TRANSITION ANGLE HAS CORROSION AT N/P HOLES UNDERSIDE STA.849-850. MRKD<[01] BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS IN REFERENCE TO SRM 53-00-53;[02] REMOVED AFT CARGO RH TRANSITION ANGLE AT STA. 847 TO STA. 867 IN REFERENCE TO SRM 51-40-02;[03] UPDATED TOOL;[04] DRILLED NEW TRANSITION ANGLE FOR STATIONS 847 TO 867 IN REFERENCE TO SRM 51-40-05;[05] BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS IN REFERENCE TO SRM 53-00-51-1A-2;[06] BLENDED CORROSION AND FOUND TO BE OUT OF LIMITS IN REFERENCE TO SRM 53-60-15-1A-1;[07] UPDATED CORRODED ELEMENT PART NUMBER;[08] R/R R/H TRANSITION ANGLE SHIELD PER SRM 53-60-15-1A-1 AND SRM 51-40-02;[09] CA #8 ENTERED INCORRECT REF.;[10] R/R R/H TRANSITION ANGLE SHIELD PER SRM 51-40-02;[11] 02 - INSPECTED PER [SRM 53-00-53-1A-2-B00297 (PERMANENT (NON-DENT DAMAGE TYPES))];[12] 02 - INSPECTED PER [SRM 53-00-53-1A-2-B00297 (PERMANENT (NON-DENT DAMAGE TYPES))] AND SRM 51-40-02

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