Service difficulty report · Plate · Boeing 7378H4

Difficulty date
May 28, 2023
Submitted
June 27, 2023
Operation
Air carrier
Aircraft
N8536Z
Make and model
Boeing 7378H4
Aircraft serial
63571
Aircraft time
20,012 hours, 9,739 cycles
Part
Plate
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 R/H SIDEPLATE HAS CORROSION AT FASTENER HOLES RBL 21; STA. 727F-727G<[01] REMOVED R/H TRANSITION ANGLE FROM STA 727+11 - 767 PER SRM 51-40-02;[02] LOCATED AND DRILLED NEW RH TRANSITION REPAIR SECTION FROM STA 727C +11 - 767. SPLICE SECTIONS AT STA 727H+10 AND 727C +11 PER SRM 53-00-53-2R-5;[03] VERIFIED CORRECTIVE ACTION #2: OK TO TREAT AND PRIME.;[04] ALODINED AND PRIMED REPAIR PARTS PER AMM 51-21-72-370-804;[05] OK TO INSTALL REPAIR PARTS.;[06] INSTALLED CLICK BOND NUTPLATES PER SRM 51-40-10 NUTPLATES INSTALLED AT 12:30 AM ON 17 JUN 2023;[07] INSTALLED REPAIR PARTS PER SRM 51-40-02;[08] INSTALLED NEW RH TRANSITION REPAIR SECTION FROM STA 727C +11 - 767. SPLICE SECTIONS AT STA 727H+10 AND 727C +11 PER SRM 53-00-53-2R-5;[09] C/A #4 CORRECTION OF REF ALODINE PER AMM 51-00-58 AND PRIMED PER AMM 51-21-72;[10] C/A #7 CORRECTION OF REF INSTALLED REPAIR PARTS PER SRM 53-00-53-2R-5;[11] UPDATED MEASUREMENTS LINE 14 TO CORRECT EFFECTIVE PART; 146A7502-52; FOR 8536 AND LINE 19 TO MAJOR;[12] INSPECTION COMPLETE ON STEP #1 FOR SATISFACTORY NUTPLATE PUSH TEST.;[13] RII INSPECTION C/W.

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