Service difficulty report · Seat Track · Boeing 7377CT

Difficulty date
June 3, 2021
Submitted
July 12, 2021
Operation
Air carrier
Aircraft
N7823A
Make and model
Boeing 7377CT
Aircraft serial
32749
Aircraft time
61,112 hours, 30,940 cycles
Part
Seat Track
Condition
Corroded
Location
Bs 945
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

CORROSION ON RAIL AROUND FASTENER HOLE AT AFT CARGO BAY BS945 RBL8 WL179. ; / [01] UPDATED MEASUREMENTS; [02] CORROSION ON RAIL WAS FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO FASTENER HOLES PER SRM 53-00-53-1A-2 FIG 103 DETAIL D; [03] VERIFIED; CONFIRMED; [04] CUT OUT DAMAGE SECTION AT B.S.941;RBL8;WL179 PER SRM 53-00-53-2R-2; [05] VERIFIED DAMAGE REMOVAL; [06] HFEC INSP OPEN HOLES IAW 737 NDTM PART 6 51-00-00 PROCEDURE 16; NO CRACKS NOTED. EQUIP ID#: IS000450 S/N: N500D000M120071 EQUIP ID#: ATS2407 S/N: MM1591DD064104; [07] FABRICATED RAIL END FROM B.S 941 TO 951-BAC1509-100146#7075-T6511 LOT #5040028;CHEMICAL CONVERSION AND PRIMED PER SRM 563-00-53-2R-2; [08] LOCATED AND DRILLED REPAIR PARTS; APPLIED CHEMICAL CONVERSION AND PRIMER PER SRM 53-00-53-2R-2. OK TO INSTALL; [09] FABRICATED RAIL END FROM B.S 941 TO 951-BAC1509-100146#7050-T76511 LOT #1459408;CHEMICAL CONVERSION AND PRIMED PER SRM 53-00-53-2R-2; [10] LOCATED AND DRILLED SPLICE SI #53100004-001 LOT #1461073-1 PER SRM 53-00-53-2R-2. OK TO INSTALL REPAIR PARTS; [11] VERIFIED FABRICATION OF SPLICE AND RAIL END MATERIAL; DRILL UP; LOCATION; CONVERSION COATING AND PRIMER PER SRM 53-00-53-2R-2. OK TO INSTALL; [12] INSTALLED REPAIR PARTS PER SRM 53-00-53-2R-2 AND DWG. 147A7500; [13] VERIFIED INSTALLED REPAIR PARTS PER SRM 53-00-53-2R-2 AND DWG. 147A7500; [14] COMPLETED

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