Service difficulty report · Seat Track · Boeing 7377H4

Difficulty date
June 30, 2021
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N285WN
Make and model
Boeing 7377H4
Aircraft serial
32536
Aircraft time
46,582 hours, 27,832 cycles
Part
Seat Track
Condition
Damaged
Location
Bs 520
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

SEAT TRACK #2 HAS DAMAGE ON UPPER CROWN AT STA 520. ; / [01] REMOVED DAMAGE; REMAINING STRUCTURE THICKNESS IS OUT OF LIMITS IAW 53-00-52-1A-1.; [02] SEAT TRACK #2; SECTION FROM STA. 480 TO STA. 520 WILL BE REPLACE .; [03] REMOVED #2 SEAT TRACK PER SRM 51-40-02. REAMED NEW NUMBER #2 SEAT TRACK PER DWG # 144A5300 AND SRM 51-40-02. APPLIED DINOL TO UPPER SEAT TRACK FRAME STRUCTURE PER AMM 51-00-59. INSTALLED #2 SEAT TRACK UPPER CROWN PER SRM 51-40-02.; [04] REMOVED #2 SEAT TRACK PER SRM 51-40-02. REAMED NEW NUMBER #2 SEAT TRACK PER DWG # 144A5300 AND SRM 51-40-02. APPLIED DINOL TO UPPER SEAT TRACK FRAME STRUCTURE PER AMM 51-00-59. INSTALLED #2 SEAT TRACK UPPER CROWN PER SRM 51-40-02.C/W INSPECTION; [05] LINE #3 WRITTEN IN ERROR. WRONG STA NUMBER.; [06] CUT AND REMOVED SEAT TRACK SECTION FROM STA.500B+10.5 TO STA.520 PER SRM 53-00-52-2R-4; [07] CUT AND REMOVED SEAT TRACK SECTION FROM STA.500B+10.5 TO STA.520 PER SRM 53-00-52-2R-4 C/W INSPECTION; [08] FABRICATED REPLACEMENT SEAT TRACK SECTION PER SRM 53-00-52-2R-4; [09] VERIFIED; [10] CORRECTIVE ACTION #2 WRITTEN IN ERROR ; #2 SEAT TRACK WILL BE REPLACED FROM STA. 500B + 10.5 TO STA. 520.; [11] ALL WORK ACCOMPLISHED WILL BE DOCUMENTED ON FAULT # TTG8Q005MVNT;; [12] ALL WORK ACCOMPLISHED WILL BE DOCUMENTED ON FAULT # TTG8Q005MVNT; C/W INSPECTION

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