Service difficulty report · Angle · Boeing 7378H4

Difficulty date
January 9, 2024
Submitted
January 26, 2024
Operation
Air carrier
Aircraft
N8660A
Make and model
Boeing 7378H4
Aircraft serial
36654
Aircraft time
30,377 hours, 14,523 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 COMPARTMENT; L/H TRANSITION ANGLE FROM STA. 727I TO STA. 767; LBL 24 HAS CORROSION AROUND NUTPLATE HOLES.<[01] BLENDED AREAS OF CORROSION ON AFT CARGO COMPARTMENT; L/H TRANSITION ANGLE FROM STA. 727I TO STA. 767; LBL 24; BLENDS FOUND TO BE OUT OF LIMITS ALL IAW SRM 53-00-53-1A-2.;[02] CORRECTED MEASUREMENT CORRODED ELEMENT PART NUMBER FROM RAW STOCK TO BOEING MPN FOR ZEE;[03] FABRICATED REPAIR PARTS FOR PREVIOUSLY REPAIRED AFT CARGO COMPARTMENT L/H FLOOR TRANSITION ANGLE FROM STA. 727H+11 TO STA. 787+11; LBL 24 IAW SRM 53-00-53-2R-5; REPAIR 5 AND INSTALLED BONDED NUTPLATES ON REPAIR PARTS IAW SRM 51-40-10-2R-0. TIME 10 JANUARY 2024; 20:00.;[04] RII: INSPECTED WORK ACCOMPLISHED IN C/A #1. STEVE TEMPLIN (TECHNICIAN); 10-JAN-2024 00:05 UTC BLENDED AREAS OF CORROSION ON AFT CARGO COMPARTMENT; L/H TRANSITION ANGLE FROM STA. 727I TO STA. 767; LBL 24; BLENDS FOUND TO BE OUT OF LIMITS ALL IAW SRM 53-00-53-1A-2.<BR><BR>RII: INSPECTED WORK ACCOMPLISHED IN C/A #3. STEVE TEMPLIN (TECHNICIAN); 11-JAN-2024 01:58 UTC FABRICATED REPAIR PARTS FOR PREVIOUSLY REPAIRED AFT CARGO COMPARTMENT L/H FLOOR TRANSITION ANGLE FROM STA. 727H+11 TO STA. 787+11; LBL 24 IAW SRM 53-00-53-2R-5; REPAIR 5 AND INSTALLED BONDED NUT-PLATES ON REPAIR PARTS IAW SRM 51-40-10-2R-0. TIME 10 JANUARY 2024; 20:00.;[05] INSTALLED REPAIR PARTS AT AFT CARGO COMPARTMENT L/H FLOOR TRANSITION ANGLE FROM STA. 727H+11 TO STA. 787+11; LBL 24 IAW SRM 53-00-53-2R-5; REPAIR 5;

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