SDR CALA2019040500530

Service difficulty report · Seat Track · Boeing 777222

Difficulty date: April 2, 2019
Submitted: April 5, 2019
Operation: Air carrier
Aircraft: N787UA
Make and model: Boeing 777222
Aircraft serial: 26939
Aircraft time: 94,044 hours, 12,763 cycles
System (JASC): 5347 · Fuselage, Seat/Cargo Attach Fittings
Part: Seat Track
Part number: 151N62941
Condition: Corroded
Location: Bs 1540-1565
Stage of operation: IN
How discovered: V
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

M/D STA 1504-1565,RBL 74 SEAT TRACK FOUND CORROSION. M/D STA1540 - 1565 RBL74 SEAT TRACK CORROSION IS OUT OF SRM 53- -00-52 ALLOWABLE DAMAGE I FIG 102 REV.79 ALLOWABLE DAMAGE LIMITS ,THE SRM LIMIT IS REMOVED THICKNESS EQUAL 0.040 IN MAX,MEASURED O/T:0.150",R/T:0.092" & THE SUBJECT SEAT TRACK REPAIRED AS PER SRM 53-00-52 REPAIR 3 REV.79 AND EC/RA 5315-01115.