Service difficulty report · Angle · Boeing 7378H4

Difficulty date
January 6, 2023
Submitted
February 2, 2023
Operation
Air carrier
Aircraft
N8660A
Make and model
Boeing 7378H4
Aircraft serial
36654
Aircraft time
27,149 hours, 12,725 cycles
Part
Angle
Part number
NOTENTERED
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 NUMEROUS AREAS OF CORROSION FROM STA 787+9 TO 727H+12<[01] COMPLIED WITH TOOL REQUIREMENT.;[02] COMPLIED WITH MEASUREMENTS.;[03] REMOVED CORROSION FROM AREAS PER SRM 53-00-53-1A-2 (REMAINING THICKNESS<BR>0.037'). TRANSITION ANGLE IS OUT LIMITS PER SRM 53-00-53-1A-2.;[04] REMOVED LH TRANSITION ANGLE STA 787+9 TO 727H +12 PER SRM 51-40-02.;[05] DRILLED REPLACEMENT REPAIR ZEE CHANNEL SIDEPLATE PER SRM 53-00-53-2R-6 AT STA 787+9 TO 727H+12. OK TO TREAT AND PAINT.;[06] DRILLED REPLACEMENT REPAIR ZEE CHANNEL SIDEPLATE PER SRM 53-00-53-2R-6 AT STA 787+9 TO 727H+12. OK TO TREAT AND PAINT. C/W INSPECTION;[07] ALODINE TREATED AND PRIMED REPLACEMENT ZEE CHANNEL PER SRM 51-20-01 AND AMM 51-21-72. OK TO INSTALL.;[08] BEGAN INSTALLATION PER SRM 53-00-53-2R-6.;[09] REPAIRED LH TRANSITION ANGLE STA 787+9 TO 727H+12; LBL 21 PER <BR>SRM 53-00-53-2R-6.

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