Service difficulty report · Angle · Boeing 7378

Difficulty date
September 16, 2023
Submitted
October 11, 2023
Operation
Air carrier
Aircraft
N8712L
Make and model
Boeing 7378
Aircraft serial
36930
Aircraft time
13,027 hours, 5,853 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 COMPT RH TRANSITION ANGLE HAS CORROSION FROM STA 727C-727D<[01] REMOVED CORROSION; MAX MATERIAL REMOVED .006 ORIGINAL THICKNESS .040. OUT OF LIMITS PER SRM 53-00-53-1A-2;[02] CUT AND REMOVED DAMAGED R/H TRANSITION ANGLE; STA 727+4 TO STA 727F+10 PER SRM 53-00-53-2R-5.;[03] FABRICATED REPAIR PART; LOCATED AND DRILLED; ALODINED AND PRIMED ALL WORK IAW SRM 53-00-53-2R-5;[04] INSTALLED BONDED NUT PLATES IAW SRM 51-40-10 @ 0200 21 SEP 2023.;[05] C/W INSPECTION FOR C/A 1. 2. 3. AND 4.;[06] C/W RII INSPECTION C/A 3. 4.;[07] OK TO INSTALL;[08] INSTALLED REPAIR IAW SRM 53-00-53-2R-5.;[09] INSTALLED RH REPAIRED TRANSITION ANGLE @STA 727+4 TO STA 727F +10 IAW SRM 53-00-53-2R-5.;[10] INSPECTED WORK ACCOMPLISHED IN C/A #9 (RII);[11] REMOVED AND REPLACED R/H TRANSITION ANGLE SECTION; STA 727+4 TO STA 727F+10 PER SRM 53-00-53-2R-5.;[12] VERIFIED SIGNOFFS COMPLETED NUT PLATE BONDING TEST

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