Service difficulty report · Skin · Boeing 757324

Difficulty date
July 7, 2023
Submitted
July 10, 2023
Operation
Air carrier
Aircraft
N77871
Make and model
Boeing 757324
Aircraft serial
33526
Aircraft time
54,383 hours, 15,765 cycles
Part
Skin
Part number
UNKNOWN
Condition
Dented
Location
L2 Door
Stage of operation
IN
How discovered
O
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

AIRCRAFT MOVE TEAM FOUND DENTS FWD OF THE L2 DOOR, DENT FOUND IS AROUND 84 INCHES FWD OF THE L2 DOOR ABOVE THE WATER LINE INBETWEEN STRINGER 15 AND 14. FURTHER INSPECTION IS REQUIRED TO DETERMINE IF IT IS A NEW DENT. REFERANCE LOG PAGE 6875361 FOR PRIOR DENT. ORD 50FH ACCOMPLISHED PART 1 INTERIM REPAIR REF. ECRA5300-02990. ACP DVI PRIOR TO EACH FLIGHT AND ACP PART 3 PERMANENT REPAIR BEFORE 10FC PER ECRA 5300-02990 PEFORM INSPECTIONS PER PART 2 AFTER EACH TOMC-APPROVAL FROM SC1ELBYC COMMENT FLIGHT AND PEFORM A PERMANENT REPAIR PER PART 3 WITHIN 10 CYCLES OFR 50 FLIGHT HOURS, WHICHEVER OCCURS FIRST ACP. HFEC IAW 757 NTM PART 6 51-00-19 OF ALL LOCAL DENTS. NO QC DEFECTS NOTED. ACP. MATERIAL LOSS IAW 757 NTM PART 4 1-00-10 PROCEDURE 1. FOUND 0.032" MIN. MATERIAL THICKNESS IN GOUGE AFTER BLEND. CHEM-MILL THICKNESS IS 0.040". RECORDS UPDATE..AY U392237 RECORDS UPDATE..AY TOMCQC REV PERFORMED ACCOMPLISHED COLD WORKING IAW SRM 51-70-01-2R-1 AREA IS WITHIN REF SRM 51-70-01-2R-1 STEP 4A(1)A , COMPLIED WITH HFEC SURFACE EXTERNAL FINISH NEED TO BE RESTORED. LIMITS. (NDT REQUIRED) INSPECTION REF NDT PART 6-51-00-19, NO CRACKS OR DEFECTS FOUND. SKIN DAMAGE REPAIRED, REF. SRM 53-00-01-2R-29. REFERENCE L/P 5078895. QC REVIEWED RIR : EACH CYCLE (TOMC ''M'' METERED) T/A : 10 FC OR 50 FH...AY U392237