SDR 97FDEA00611

Service difficulty report · Spar · Boeing 72721C

Difficulty date: September 1, 1997
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N144FE
Make and model: Boeing 72721C
Aircraft serial: 19137
System (JASC): 5711 · Wing Spar
Part: Spar
Part number: 65185371
Condition: Corroded
Location: Bs 870
Stage of operation: IN
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 (C57-174-01) ON BS 870 REAR SPAR LOWER CHORD, LBL 40 TO 45, WL 138. *S/D* REMOVED CORROSION, BLENDED ON BS 870 REAR SPAR LOWER CHORD. FOUND CHORD TO BE OUT OF LIMITS PER FED SRM 53-10-1. REMOVED AND REPLACED SPAR CHORD PER EA NR 7-5710-36144.

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