Service difficulty report · Transition Panel · Boeing 7378H4

Difficulty date
June 29, 2022
Submitted
July 29, 2022
Operation
Air carrier
Aircraft
N8637A
Make and model
Boeing 7378H4
Aircraft serial
42523
Aircraft time
27,735 hours, 12,745 cycles
Part
Transition Panel
Condition
Corroded
Location
Aft Cargo
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 LT. TRANSITION ANGLE CORRODED AROUND AND IN NUT PLATE HOLES BS727H+6. / [01] REMOVED CORROSION; FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2;[02] RII: INSPECTED THE WORK PERFORMED ON C/A #1; NO DEFECTS NOTED.;[03] TOOL INFORMATION;[04] CUT AND REMOVED DAMAGE FROM;LBL 24; STA 727G+10 TO STA 747+10 PER SRM 53-00-53-2R-5 AND SRM 51-40-02;[05] LOCATED AND DRILLED HOLES IN NEW SIDEPLATE PER SRM 51-04-02 FROM 727G+4 TO 747+10 REPAIR PART 1 PER SRM 53-00-53-2R-5;[06] VERIFIED C/W CUT AND REMOVED DAMAGE FROM;LBL 24; STA 727G+10 TO STA 747+10 PER SRM 53-00-53-2R-5 AND SRM 51-40-02 &<BR>LOCATED AND DRILLED HOLES IN NEW SIDEPLATE PER SRM 51-04-02 FROM 727G+4 TO 747+10 REPAIR PART 1 PER SRM 53-00-53-2R-5;[07] COUNTERSUNK HOLES IN REPAIR SECTION SIDEPLATE. TREATED AND PRIMED REPAIR SECTION AND SPLICE IAW AMM 51-20-00 AND 51-20-01. INSTALLED NUTPLATES IAW SRM 51-40-10. OK TO INSTALL REPAIR SECTION.;[08] C/W INSPECTION.;[09] SPLICE REPAIRED SECTION OF SIDEPLATE AT STA 727G+10 THRU 747+10.INSTALLED FASTENERS PER SRM 51-40-02 .INSTALLED REPAIR PER SRM 53-00-53-2R-5.;[10] VERIFIED CORRECTIVE ACTION STEP #9;[11] SPLICE REPAIRED SECTION OF SIDE PLATE AT STA 727G+10 THRU 747+10.INSTALLED FASTENERS PER SRM 51-40-02. INSTALLED REPAIR PER SRM 53-00-53-2R-5.

More about the Boeing 737-8H4